Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 184980982 (SMSS J172113.45-201447.8)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 260.3060 |
|---|
| Dec (deg) | -20.2467 |
|---|
| Galactic lon. (deg) | 4.3490 |
|---|
| Galactic lat. (deg) | 9.3497 |
|---|
| E(B-V) (SFD98) (mag) | 0.468 |
|---|
| E(B-V) (GNILC) (mag) | 0.392 ± 0.017 |
|---|
| Nearest DR4 source |
1218843001 (3.5 arcs away) |
| 2nd-nearest DR4 source |
184980981 (8.2 arcs away) |
| 3rd-nearest DR4 source |
1218842997 (10.0 arcs away) |
| Times observed | 10 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 2 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.169 ± 0.038 |
18.521 ± 0.042 |
18.064 ± 0.058 |
17.793 ± 0.094 |
| Petrosian mag. |
— |
— |
19.355 ± 0.158 |
18.576 ± 0.085 |
18.078 ± 0.055 |
17.815 ± 0.082 |
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 |
20180718115326 |
19.122 ± 0.055 |
0,0 |
100 |
2 |
| g |
20180801105218 |
19.180 ± 0.066 |
0,0 |
100 |
2 |
| g |
20190822092753 |
19.132 ± 0.061 |
0,0 |
100 |
2 |
| g |
20200224174822 |
19.155 ± 0.083 |
1024,0 |
100 |
2 |
| r |
20180718115528 |
18.553 ± 0.051 |
2,0 |
100 |
2 |
| r |
20180801105419 |
18.563 ± 0.065 |
0,0 |
100 |
2 |
| r |
20180802115408 |
18.580 ± 0.059 |
0,0 |
100 |
2 |
| r |
20190822092953 |
18.516 ± 0.052 |
0,0 |
100 |
2 |
| i |
20140626131016 |
18.008 ± 0.131 |
512,0 |
10 |
2 |
| i |
20160420170134 |
18.149 ± 0.174 |
512,0 |
10 |
2 |
| i |
20180718120132 |
18.080 ± 0.062 |
2,0 |
100 |
2 |
| z |
20140626131048 |
17.807 ± 0.138 |
0,0 |
20 |
2 |
| z |
20180718120334 |
17.857 ± 0.078 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.1 |
2.86 |
| GAIA source ID |
4121949142689529472 |
4121949146991803648 |
| Bp mag. |
19.092 |
-- |
| G mag. |
18.478 |
20.931 |
| Rp mag. |
17.778 |
-- |
| Bp/Rp excess |
1.214 |
-- |
| Parallax (mas) |
0.033 ± 0.196 |
-- ± -- |
| PM RA (mas/yr) |
-8.963 ± 0.223 |
-- ± -- |
| PM Dec (mas/yr) |
-4.816 ± 0.149 |
-- ± -- |
| A.E.N. (mas) |
0.0 ± 0.0 |
2.464 ± 0.738 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.306
±
0.006
|
| r |
18.630
±
0.004
|
| i |
18.260
±
0.007
|
| z |
18.072
±
0.007
|
| Y |
--
±
--
|
| J |
16.784
±
0.019
|
| H |
--
±
--
|
| K |
16.166
±
0.041
|
| W1 |
15.725
±
0.025
|
| W2 |
16.913
±
0.208
|
| 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. |
