SN 1987A Timeline

Observation color-coding: Radio , [N]IR , Optical/UV , EUV , X-ray , Other .

Day
since SN
Date
(Obs start, etc.)
Observation/EventComments, Results, etc.





-20 kyr - - RSG to BSG;
Binary merger?
Gaensler 1997; Crotts 1991.
Morris 2006, astro-ph/0502288

1987.00
! ! !1987-02-23
1987.146
SN 1987A !07:36 GTM, February 23, 1987
01987-02-23 Kamiokande, IMB Neutrinos detected. Suzuki 1987
41987-02-27 MOST Radio (0.843 GHz) reaches maximum; Turtle 1987
801987-05-14Optical peakBolometric light curve peaks ~ day 80-90.
801987-05-14 IUE Fransson 1989.
1001987-05-24ER first signal
1201987-05-13Begin steady
optical decay
56_Ni to 56_Co to 56_Fe determines the slope.(Utrobin Aspen07)
~1731987-08-xx Sounding Rocket X-ray (0.2-2.1 keV) upper limit of 1.5e36 erg/s (Aschenbach 1987)
3001987-12-20 longslit O III, H-alpha. Wampler & Richichi 1989.

1988.00
4001988-xx-xxDust begins
to form
Dust begins to form in interior. McCray Aspen.

1989.00
7501989-03-14 resolved images O III, H-alpha. Crotts 1989.
10371988-12-26 resolved images Wampler 1990.

1990.00
12001990-06-07Radio / X-Ray
brightening
Forward shock (at ~ 38,000 km/s) reaches BSG-RSG interface.
(Gaensler 1997 and Aspen07).
12001990-06-07 MOST / ATCA Staveley-Smith 1992

1991.00
14161991-01-09 AAT: RGO Spect. (Mattila 2010)
14481991-02-10 ROSAT-HRI Haberl 2006
16451991-08-26 ROSAT-PSPC Haberl 2006
16801991-10-01 AAT: RGO Spect. (Mattila 2010)

1992.00
18001992-01-28Radio shell
expansion slows
Radio shell 1.3'' dia from 38000 km/s mean expansion since 1987.
The rate slows to ~ 4700 km/s (Gaensler Aspen07.5),
or, 4000+/-400 km/s (Ng 2008)
18721992-04-09 ROSAT-PSPC Haberl 2006
21001992-11-23Bump in
radio lightcurve
(Stavely-Smith Aspen07.5)

1993.00
22581993-04-30 ROSAT-PSPC Haberl 2006
24081993-09-27 ROSAT-PSPC Haberl 2006

1994.00
27151994-07-31 ROSAT-HRI Haberl 2006
2864 1994-12-27 AAT: RGO Spect. (Mattila 2010)

1995.00
29331995-03-06Spot 1
earliest
After-the-fact detection; Sugerman 2002
30131995-05-25 ROSAT-HRI Haberl 2006

1996.00
33501996-04-26 ROSAT-HRI Haberl 2006
35701996-12-02 ROSAT-HRI Haberl 2006

1997.00
36401997-02-10 ROSAT-PSPC Haberl 2006
36501997-02-20 ROSAT-HRI Haberl 2006
3714 1997-04-26 HST-STIS:G750M 2'' (Sugerman 2002)
37391997-05-20Spot 1
discovered
Pun 1997, IAU Circ. 6665
37601997-06-10 ROSAT-HRI Haberl 2006
38001997-07-20Begin IR dust
emission in ER
38541997-09-12 HST-STIS:G140L 2''x52'' aperture, 3700A - 6867A (Ref?)
3869 1997-09-27 HST-STIS:G140L Pun 2002
39501997-12-17 ROSAT-HRI Haberl 2006

1998.00
4000
(approx)
1998-02-05Exponential
flux begins
Change in X-ray flux growth curve.
4030 1998-03-07 HST-STIS:G750M Spot 1, H-alpha, PA 29 deg.
Michael 2000, Pun 2002
4243 1998-10-06 CTIO: CIRIM Lawrence 2000 ApJ 537 L123
42831998-11-15Spot 2
earliest
After-the-fact detection; Sugerman 2002
4309 1998-12-10 AAT: RGO Spect. (Mattila 2010)

1999.00
4368 1999-08-30 HST-STIS:G750M Pun 2002
4381 1999-02-21 HST-STIS:G750L Pun 2002
4387 1999-02-27 HST-STIS:G140L Pun 2002
45721999-09-03 HST-STIS:G230L Pun 2002
45861999-09-17 HST-STIS:G430L Pun 2002
46001999-10-01Radio accelerating
increase
(Manchester 2002)
46061999-10-07 HST-STIS:G140L Pun 2002
46081999-10-06 HETG (1387,124) V_shock = 3400 +/- 700 km/s;
kT_i = 17 keV, kT_e ~ 2.5 keV (Michael 2002)
46181999-10-16 VLT-UVES Groningsson 2006, Epoch 1
4688 1999-12-25 CTIO: OSIRIS Lawrence 2000 ApJ 537 L123

2000.00
47112000-01-17 ACIS(122)
4816 2000-05-01 HST-STIS:G750M 2'' (Sugerman 2002)
4989 2000-10-21 HST-STIS:G750M 2'' (Sugerman 2002)
49992000-10-3112 Spots visibleAfter-the-fact; Table 1 of Sugerman 2002
50002000-11-01X-rays illuminate
the ejecta
ejecta transition from radioactive to X-ray-illuminated phase
(Larsson 2011)
50382000-12-09
2000-12-14
VLT-UVES Groningsson 2006, Epoch 2
50412000-12-07 ACIS(1967)

2001.00
51362001-03-17 CTIO: OSIRIS He-I, Sugerman 2002
51582001-04-08 XMM(0244)
51752001-04-25 ACIS(1044)
5176 2001-04-27 HST-STIS:G750M 2'' (Sugerman 2002)
5379 2001-11-15 CTIO: OSIRIS (Danziger Aspen07)
53912001-11-27 CTIO: OSIRIS He-I, Sugerman 2002
54062001-12-12 ACIS(2831)

2002.00
5555 2002-05-10 HST N II
55602002-05-15 ACIS(2832)
5600,
+/-100
2002-06-24IR flux t_o,
FS hits ER
(Dwek 2010)
57022002-10-04
2002-10-07
VLT/UVES Groningsson 2006, Epoch 3
Kjaer 2006 Fig.2 H-alpha; Tziamtzis 2010
57042002-10-06Last epoch of
pristine ER
(Lundqvist Aspen07.5)
57492002-11-21 CTIO: OSIRIS He-I
57892002-12-30 VLT/FORS1 SOR (Tziamtzis 2007, 2010)
57902002-12-31 ACIS(3829)
5795 2002-01-05 HST/ACS:F658N

2003.00
59202003-05-10 XMM-RGS
(0144530101)
(Sturm 2010)
5920
+/-250
2003-11-06X-ray expansion
slows
X-ray expansion rate: ~8000 km/s to ~1600 km/s (Racusin 2009);
day 5920+/-250: ~8500 km/s to ~1820 km/s (Helder 2012);
X-ray soft/hard ratio jumps from 2.3 to 3.6. (Park Aspen07.11)
59792003-07-08 ACIS(3830)
6067 2003-10-04 Gemini South
T/ReCS, 11.7, 18.3 um
(Bouchet 2004)
6130 2003-12-06 Spitzer IRAC
3.6-8 um

2004.00
61572004-01-02 ACIS(4614)
6184 2004-01-29 Spitzer MIPS
24 um
6190 2004-02-4 Spitzer IRS
12-37 um
Silicate grains, T ~ 180K (Bouchet 2006; Dwek Aspen07)
63002004-05-24 FUSE O VI upper limit set (Iping Aspen07.poster)
63592004-07-22 ACIS(4615)
63942004-08-26
2004-09-05
Deep-LETG/ACIS
(4640,...,5363)
(Zhekov 2005, 2006)
64882004-11-30 VLT: SINFONI Gillesen 2006 (in Groningsson 2006)
J,H,K datacubes
6502 2004-12-12 HST UVO (Danziger Aspen07)

2005.00
6526 2005-01-05 Gemini South
T/ReCS, 11.7, 18.3 um
(Dwek Aspen07)
65302005-01-09 ACIS(5579,6178)
65352005-01-14 CTIO: OSIRIS (Danziger Aspen07)
65762005-02-24 Magellan
LDSS-3
H-alpha FWHM ~ 12000 km/s (Smith 2005)
66012005-03-21
2005-04-12
VLT-UVES Groningsson 2006, Epoch 4
67102005-07-08 ATCA 3mm H75 array, 94 GHz, 6.2 mJy (Staveley-Smith Aspen07.9)
67132005-07-11 ACIS(5580,6345)
68042005-10-20 Spitzer IRS
5-30 um
(Dwek 2010)
68142005-10-30
2005-11-12
VLT-UVES Groningsson 2006, Epoch 5
68162005-11-01+ VLT-SINFONI (Kjaer 2010)
68292005-11-04 Suzaku-XIS

2006.00
69142006-01-28 ACIS(6668)
~7060~2006-06-23 Suzaku-XIS Suzaku obs. (Aschenbach Aspen07.17)
70952006-07-28 ACIS(6669)
71372006-09-08 Spitzer IRS
5-30 um
Flux x2 from day 6190, T still ~ 180K (Dwek Aspen07; Dwek 2010)
71602006-10-01
2006-11-15
VLT-UVES Groningsson 2008, Epoch 6
7241 2006-12-21 Gemini South
T/ReCS, 11.7 um
(Danziger Aspen07)

2007.00
72682007-01-17+ XMM-RGS
(0406840301)
(Heng 2007; Sturm 2010)
72712007-01-19 ACIS(7636) (Park 2007, Zhekov 2010)
73012007-02-19Aspen
Conference
See ``Program'' link at:
http://astrophysics.gsfc.nasa.gov/conferences/supernova1987a/
73232007-03-13 Spitzer IRS
5-30 um
(Dwek 2010)
7321+
7334+
7363+
2007-03-11+
2007-03-24+
2007-04-22+
Deep-HETG (8523,...)
HETG(8487,...)
HETG(7590,...)
Roll 269.482 deg., 160.7 ks ; (Dewey 2008)
Roll 256.078 deg., 163.8 ks
Roll ~225 deg., 45 ks
74462007-07-13 ACIS(7637)
75042007-09-04+
2007-09-16
Deep-LETG/ACIS
(9581,...)
(Zhekov et al. 2009)
75472007-10-23
2006-11-28
VLT-UVES v_c.o.m. = 286.74+/-0.05 km/s (Groningsson 2008, Epoch 7)
75542007-10-30 Spitzer IRS
5-30 um
(Dwek 2010)

2008.00
76252008-01-09+ ACIS(9806,9142)
76272008-01-11+ XMM-RGS
(0506220101)
(Sturm 2010)
77352008-04-28+ HRC-I(9085,9851) (Ng 2009)
77392008-05-01
(ave date)
VLBI:
ATCA,Parkes,Mopra
1.4 and 1.7 GHz; extended lobes in E and W (Ng 2011)
77962008-07-01 HETG/ACIS(9144) ...
77982008-07-03 Spitzer IRS
5-30 um
(Dwek 2010)
77992008-07-04 ACIS(9143)
79442008-11-23 VLT/UVES (Tziamtzis 2010)
79542008-12-03 Spitzer IRS
5-30 um
(Dwek 2010)

2009.00
79872009-01-05 ACIS(10130) Summary of ACIS data to date in Racusin et al. (2009)
79912009-01-09+ VLT/UVES (Tziamtzis 2010)
79942009-01-12+ HETG/ACIS
(10852,...,10855)
...
80122009-01-30+ XMM-RGS
(0556350101)
(Sturm 2010)
80142009-02-01 ATCA
(1.4,2.4,4.8,8.6 GHz)
22 Years of Radio data ! (Zanardo 2009)
80202009-02-07+ VLT/UVES (Tziamtzis 2010)
81692009-07-06 HETG/ACIS(10222) ...
82002009-08-06Kink in X-Ray
Lightcurve?
(Helder 2012)
82332009-09-08 HETG/ACIS(10926) ...
83282009-12-12 XMM-RGS
(0601200101)

2010.00
83782010-01-31 HST-STIS:G750L 0.2'' (France 2010)
84232010-03-17+ HETG/ACIS
(12125,...,11090)
...
85152010-04-30+ Herschel PACS,SPIRE 100 to 500 um; 0.4-0.7 M_solar of dust at 17-23 K (Matsuura 2011)
85772010-08-18 HRC-I(11826)
86182010-09-28+ HETG/ACIS
(13131,11091)
new phase? --> calibration effect :( (Park 2011)
86932010-12-12 XMM-RGS
(0650420101)

2011.00
87102010-2011 INTEGRAL
(web page)
Ti-44 (Grebenev 2012)
87542011-02-11+ HST-COS:
G130M, G160M
narrow lines from ER, broad from RS (France 2011)
87742011-03-03+ Deep-HETG
(12146,...,12145)
very-broad component & 2x1D hydro model (Dewey 2012)
87962011-03-25 HETG/ACIS(12539) ...
88922011-06-30+ ATCA 3mm 750B,H168 config.s, 85-105 GHz, 0.7'' resolution;
synchrotron is from inner rim of ER (Lakicevic 2012)
89762011-09-21+ HETG/ACIS
(12540,14344)
...
90482011-12-02 XMM-RGS
(0671080101)
Fe-K line properties (Maggi 2012)

2012.00
91752012-03-28+ HETG/ACIS
(13735,14417)
Chandra data to age 25 years (Helder 2012)
941X2012-12-0X XMM-RGS
(...)
...

2013.00
95222013-03-20 HETG/ACIS(14697) ...
97102013-09-24 HETG/ACIS(14698) ...

2014.00
98902014-03-20 HETG/ACIS(tbd) ...
100752014-09-24 HETG/ACIS(tbd) ...
101502014-12-0X XMM-RGS
(TBD)
...

2015.0
102662015-04-03 Deep-HETG
(TBD)
``HETG-15''

2016.0
????2015+
to
2030+
ORs lightupcould happen as early as 2015 if the v_FS towards the ORs
averages 18 k km/s, Movie.gif, from 2015 to 2024 ;
would happen ~ 2030+ for ave v_FS = 12 k km/s (Tziamtzis 2011)


Useful to convert Date to Days-since-SN: Duration Calculator

This page was last updated May 2, 2013 by Dan Dewey.
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