Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 1218843270 (SMSS J172112.27-201406.3)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 260.3011 |
|---|
| Dec (deg) | -20.2351 |
|---|
| Galactic lon. (deg) | 4.3562 |
|---|
| Galactic lat. (deg) | 9.3600 |
|---|
| E(B-V) (SFD98) (mag) | 0.468 |
|---|
| E(B-V) (GNILC) (mag) | 0.392 ± 0.017 |
|---|
| Nearest DR4 source |
184981253 (6.0 arcs away) |
| 2nd-nearest DR4 source |
2275600205 (7.4 arcs away) |
| 3rd-nearest DR4 source |
1218843545 (8.8 arcs away) |
| Times observed | 6 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 1 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.935 ± 0.046 |
19.268 ± 0.025 |
18.705 ± 0.101 |
18.482 ± 0.11 |
| Petrosian mag. |
— |
— |
20.240 ± 0.196 |
19.298 ± 0.113 |
19.041 ± 0.160 |
18.787 ± 0.203 |
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 |
19.888 ± 0.088 |
0,0 |
100 |
2 |
| r |
20180718115528 |
19.185 ± 0.071 |
0,0 |
100 |
2 |
| r |
20180802115408 |
19.249 ± 0.088 |
0,0 |
100 |
2 |
| r |
20190822092953 |
19.306 ± 0.088 |
1,0 |
100 |
2 |
| i |
20180718120132 |
18.623 ± 0.083 |
0,0 |
100 |
2 |
| z |
20180718120334 |
18.383 ± 0.113 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.53 |
1.36 |
| GAIA source ID |
4121972610418200704 |
4121972614707171712 |
| Bp mag. |
19.766 |
-- |
| G mag. |
19.260 |
20.440 |
| Rp mag. |
18.561 |
-- |
| Bp/Rp excess |
1.256 |
-- |
| Parallax (mas) |
0.253 ± 0.398 |
3.963 ± 1.315 |
| PM RA (mas/yr) |
-4.701 ± 0.488 |
-8.084 ± 1.944 |
| PM Dec (mas/yr) |
-1.226 ± 0.285 |
-5.615 ± 1.230 |
| A.E.N. (mas) |
0.0 ± 0.0 |
2.081 ± 1.383 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.996
±
0.009
|
| r |
19.149
±
0.006
|
| i |
18.718
±
0.011
|
| z |
18.830
±
0.013
|
| Y |
--
±
--
|
| J |
17.607
±
0.039
|
| H |
--
±
--
|
| K |
17.114
±
0.096
|
| 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. |
