hosts
|
project
|
database
|
search
admin
GRB hosts
Project
Database
Presentations
Publications
Proposals
Related links
Glossary
Programming
GRB 970228
Redshift:
z
=
0.6950
RA,Dec:
75.4444 11.7816
Luminosity distance:
D
=
4233.00
Mpc
Error:
0.00 arcmin
Galactic dust extinction:
E
B-V
=
0.23
Duration:
T
90
=
80.00
s
Error:
-
Downloads
[GIF]
Image of the host from
Bloom et al. (2001)
[GIF]
Spectrum of the host from
Bloom et al. (2001)
[PDF]
Spitzer image of the host field from
Svensson et al. (2010)
Host
Stellar mass:
log(M
*
/M
☉
) =
8.65
Error:
0.05
Metallicity:
log(Z/Z
☉
) =
-
Error:
-
Star formation rate:
SFR
=
0.53
M
☉
yr
-1
Error:
-
Specific star formation:
SSFR =
-
Gyr
-1
Error:
-
Optical extinction:
A
V
=
-
Error:
-
Host SED
Obs. Wavelength (Å)
Flux (μJy)
References
4,360
0.112 ± 0.031
Chary et al. (2002)
5,561
0.3 ± 0.07
Christensen et al. (2004)
6,396
0.39 ± 0.07
Christensen et al. (2004)
7,988
0.6 ± 0.11
Christensen et al. (2004)
16,511
0.6 ± 0.16
Christensen et al. (2004)
21,628
0.65 ± 0.12
Christensen et al. (2004)
35,700
5.67 ± 1.1
Svensson et al. (2010)
35,700
< 3.7
Castro Cerón et al. (2010)
57,700
< 35.8
Svensson et al. (2010)
4,475,000
< 54900
Berger et al. (2003)
8,565,000
< 2430
Tanvir et al. (2004)
2,096,451,000
< 69
Michałowski et al. (2012)
Host emission line fluxes
Emission line
Flux (10
-17
cgs)
References
[O
II
] λ3727
2.2 ± 0.1
Bloom et al. (2001)
[Ne
III
] λ3869
0.2
Bloom et al. (2001)
Hβ
< 0.34
Bloom et al. (2001)
[O
III
] λ5007
1.55 ± 0.12
Bloom et al. (2001)
Virtual Observatory resources
SDSS DR7 image from
SkyServer
DSS image from
STScI
Record created:
10/23/2006 2:35:46 PM
, record modified:
5/31/2012 9:52:27 AM
Revision: 2.1
Last modified on July 13, 2018
Send comments to
Sandra Savaglio
Visitor number 534505045