Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179909188 (SMSS J172802.42-202600.4)
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Data release | DR4 |
RA (deg) | 262.010 |
Dec (deg) | -20.433 |
Galactic lon. (deg) | 5.077 |
Galactic lat. (deg) | 7.911 |
E(B-V) (SFD98) (mag) | 0.814 |
E(B-V) (GNILC) (mag) | 0.615 ± 0.023 |
Nearest DR4 source |
2268148788 (10.0 arcs away) |
2nd-nearest DR4 source |
179909155 (12.8 arcs away) |
3rd-nearest DR4 source |
179909142 (14.2 arcs away) |
Times observed | 5 |
Total bad pixels | 0 |
Observing flags | 0 |
Magnitudes
Filter |
u |
v |
g |
r |
i |
z |
PSF mag. |
— |
— |
19.497 ± 0.053 |
18.423 ± 0.106 |
18.090 ± 0.047 |
17.793 ± 0.035 |
Petrosian mag. |
— |
— |
19.939 ± 0.133 |
18.340 ± 0.160 |
18.397 ± 0.099 |
18.152 ± 0.268 |
2 x 2 arcmin
Image cutouts
See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.
Photometry measurements
Filter |
Image ID |
Magnitude (APC05) |
Flags |
Exp time (s) |
Image Quality (1=best to 3) |
g |
20190505165725 |
19.510 ± 0.071 |
1024,0 |
100 |
2 |
g |
20190507143127 |
19.568 ± 0.081 |
0,0 |
100 |
2 |
r |
20140729111131 |
18.373 ± 0.139 |
0,0 |
5 |
2 |
r |
20190505165926 |
18.756 ± 0.073 |
1024,0 |
100 |
2 |
r |
20190507143327 |
18.769 ± 0.073 |
1024,0 |
100 |
2 |
r |
20190822094324 |
18.775 ± 0.068 |
1024,0 |
100 |
2 |
i |
20140729111202 |
18.328 ± 0.167 |
512,0 |
10 |
2 |
i |
20150901084554 |
18.137 ± 0.066 |
1024,0 |
100 |
2 |
i |
20160420172350 |
17.993 ± 0.188 |
512,0 |
10 |
2 |
i |
20190505170526 |
18.110 ± 0.070 |
1024,0 |
100 |
2 |
i |
20190509140533 |
18.157 ± 0.077 |
0,0 |
100 |
2 |
i |
20190720124743 |
18.206 ± 0.095 |
1024,0 |
100 |
2 |
z |
20140729111235 |
17.743 ± 0.129 |
0,0 |
20 |
2 |
z |
20150901084754 |
17.845 ± 0.085 |
1024,0 |
100 |
2 |
z |
20190505170726 |
17.815 ± 0.092 |
1024,0 |
100 |
2 |
z |
20190508164202 |
17.878 ± 0.100 |
1024,0 |
100 |
2 |
z |
20190509140733 |
17.960 ± 0.106 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
Distance (arcsec) |
0.1 |
3.92 |
GAIA source ID |
4121062455285015168 |
4121062459632967040 |
Bp mag. |
19.350 |
21.213 |
G mag. |
18.546 |
20.603 |
Rp mag. |
17.748 |
20.268 |
Bp/Rp excess |
1.224 |
0.986 |
Parallax (mas) |
-0.344 ± 0.267 |
1.811 ± 2.068 |
PM RA (mas/yr) |
-2.301 ± 0.329 |
-4.910 ± 2.021 |
PM Dec (mas/yr) |
-4.209 ± 0.192 |
-4.239 ± 1.421 |
A.E.N. (mas) |
0.449 ± 1.208 |
0.0 ± 0.0 |
UV to IR data
Matching radius: 2"
Filter |
Magnitude1 |
FUV |
--
±
--
|
NUV |
--
±
--
|
u |
--
±
--
|
g |
--
±
--
|
r |
18.693
±
0.006
|
i |
--
±
--
|
z |
--
±
--
|
Y |
--
±
--
|
J |
16.538
±
0.018
|
H |
--
±
--
|
K |
16.043
±
0.044
|
W1 |
--
±
--
|
W2 |
--
±
--
|
W3 |
--
±
--
|
W4 |
--
±
--
|
1Magnitude sources |
FUV/NUV: |
AB mag (calibrated) from GALEX |
ugriz: |
AB mag (Kron) from NOAO Source Catalog |
YJHK: |
Vega mag from VISTA (2" aperture) or 2MASS PSC |
W1-W4: |
Vega mag from CatWISE2020 or AllWISE (profile mag). No error value
means the stated value is an upper limit. |