Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 1218843545 (SMSS J172112.66-201412.5)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 260.3029 |
|---|
| Dec (deg) | -20.2368 |
|---|
| Galactic lon. (deg) | 4.3557 |
|---|
| Galactic lat. (deg) | 9.3576 |
|---|
| E(B-V) (SFD98) (mag) | 0.468 |
|---|
| E(B-V) (GNILC) (mag) | 0.392 ± 0.017 |
|---|
| Nearest DR4 source |
2275600205 (2.3 arcs away) |
| 2nd-nearest DR4 source |
1218843015 (7.4 arcs away) |
| 3rd-nearest DR4 source |
1218843270 (8.8 arcs away) |
| Times observed | 5 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 1 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.426 ± 0.348 |
18.825 ± 0.182 |
18.077 ± 0.393 |
— |
| Petrosian mag. |
— |
— |
19.476 ± 0.170 |
18.706 ± 0.127 |
18.511 ± 0.123 |
— |
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 |
19.734 ± 0.079 |
1,0 |
100 |
2 |
| r |
20180718115528 |
19.027 ± 0.064 |
1,0 |
100 |
2 |
| r |
20180802115408 |
19.130 ± 0.081 |
1,0 |
100 |
2 |
| r |
20190822092953 |
19.164 ± 0.079 |
1,0 |
100 |
2 |
| i |
20180718120132 |
18.412 ± 0.073 |
1,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
1.09 |
1.11 |
| GAIA source ID |
4121972614735498112 |
4121972610418215552 |
| Bp mag. |
-- |
19.994 |
| G mag. |
20.653 |
19.560 |
| Rp mag. |
-- |
18.637 |
| Bp/Rp excess |
-- |
1.471 |
| Parallax (mas) |
-- ± -- |
-0.980 ± 0.603 |
| PM RA (mas/yr) |
-- ± -- |
-3.646 ± 0.708 |
| PM Dec (mas/yr) |
-- ± -- |
-6.114 ± 0.423 |
| A.E.N. (mas) |
13.080 ± 33.462 |
1.462 ± 2.813 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
--
±
--
|
| r |
--
±
--
|
| i |
20.853
±
0.054
|
| z |
20.111
±
0.020
|
| Y |
--
±
--
|
| J |
18.147
±
0.064
|
| H |
--
±
--
|
| K |
17.248
±
0.109
|
| 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. |
