Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 1218843015 (SMSS J172112.85-201419.6)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 260.3035 |
|---|
| Dec (deg) | -20.2388 |
|---|
| Galactic lon. (deg) | 4.3543 |
|---|
| Galactic lat. (deg) | 9.3560 |
|---|
| E(B-V) (SFD98) (mag) | 0.468 |
|---|
| E(B-V) (GNILC) (mag) | 0.392 ± 0.017 |
|---|
| Nearest DR4 source |
2275599610 (6.9 arcs away) |
| 2nd-nearest DR4 source |
1218843545 (7.4 arcs away) |
| 3rd-nearest DR4 source |
2275600205 (8.3 arcs away) |
| Times observed | 4 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 1 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.152 ± 0.052 |
18.574 ± 0.061 |
18.174 ± 0.116 |
18.018 ± 0.034 |
| Petrosian mag. |
— |
— |
19.187 ± 0.060 |
18.483 ± 0.067 |
17.885 ± 0.117 |
18.036 ± 0.119 |
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 |
19.225 ± 0.058 |
1,0 |
100 |
2 |
| r |
20180718115528 |
18.536 ± 0.050 |
1,0 |
100 |
2 |
| i |
20180718120132 |
18.162 ± 0.064 |
1,0 |
100 |
2 |
| i |
20190806103155 |
18.292 ± 0.086 |
17,0 |
100 |
2 |
| z |
20180718120334 |
18.051 ± 0.089 |
0,0 |
100 |
2 |
| z |
20190806103356 |
17.809 ± 0.082 |
17,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.42 |
2.78 |
| GAIA source ID |
4121949142689542784 |
4121949146988747904 |
| Bp mag. |
19.137 |
20.664 |
| G mag. |
18.515 |
20.162 |
| Rp mag. |
17.797 |
19.398 |
| Bp/Rp excess |
1.225 |
1.308 |
| Parallax (mas) |
0.295 ± 0.245 |
0.120 ± 0.928 |
| PM RA (mas/yr) |
-0.260 ± 0.266 |
-0.153 ± 0.975 |
| PM Dec (mas/yr) |
-4.642 ± 0.171 |
-1.293 ± 0.676 |
| A.E.N. (mas) |
0.413 ± 1.091 |
0.0 ± 0.0 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.371
±
0.006
|
| r |
18.643
±
0.004
|
| i |
18.216
±
0.008
|
| z |
18.073
±
0.009
|
| Y |
--
±
--
|
| J |
16.918
±
0.021
|
| H |
--
±
--
|
| K |
16.331
±
0.047
|
| W1 |
17.378
±
0.151
|
| W2 |
17.778
±
0.46
|
| 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. |
