Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 1218842997 (SMSS J172112.99-201455.4)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 260.3041 |
|---|
| Dec (deg) | -20.2488 |
|---|
| Galactic lon. (deg) | 4.3462 |
|---|
| Galactic lat. (deg) | 9.3501 |
|---|
| E(B-V) (SFD98) (mag) | 0.468 |
|---|
| E(B-V) (GNILC) (mag) | 0.392 ± 0.017 |
|---|
| Nearest DR4 source |
184980966 (6.8 arcs away) |
| 2nd-nearest DR4 source |
184980981 (7.9 arcs away) |
| 3rd-nearest DR4 source |
2275599567 (9.3 arcs away) |
| Times observed | 4 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
— |
19.295 ± 0.033 |
18.825 ± 0.042 |
18.665 ± 0.038 |
| Petrosian mag. |
— |
— |
— |
19.455 ± 0.090 |
19.048 ± 0.119 |
18.876 ± 0.177 |
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) |
| r |
20180718115528 |
19.306 ± 0.077 |
3,0 |
100 |
2 |
| r |
20180802115408 |
19.277 ± 0.090 |
3,0 |
100 |
2 |
| i |
20180718120132 |
18.913 ± 0.101 |
0,0 |
100 |
2 |
| z |
20180718120334 |
18.719 ± 0.148 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.23 |
1.04 |
| GAIA source ID |
4121949142716875904 |
4121949146983980800 |
| Bp mag. |
19.922 |
-- |
| G mag. |
19.453 |
20.701 |
| Rp mag. |
18.573 |
-- |
| Bp/Rp excess |
1.418 |
-- |
| Parallax (mas) |
0.484 ± 0.430 |
-- ± -- |
| PM RA (mas/yr) |
-4.971 ± 0.547 |
-- ± -- |
| PM Dec (mas/yr) |
-7.377 ± 0.350 |
-- ± -- |
| A.E.N. (mas) |
0.966 ± 1.622 |
3.557 ± 1.687 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.017
±
0.009
|
| r |
19.293
±
0.005
|
| i |
18.916
±
0.012
|
| z |
18.750
±
0.013
|
| Y |
--
±
--
|
| J |
17.730
±
0.044
|
| H |
--
±
--
|
| K |
17.221
±
0.106
|
| 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. |
