Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 1218843566 (SMSS J172114.50-201337.3)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 260.3103 |
|---|
| Dec (deg) | -20.2271 |
|---|
| Galactic lon. (deg) | 4.3678 |
|---|
| Galactic lat. (deg) | 9.3573 |
|---|
| E(B-V) (SFD98) (mag) | 0.468 |
|---|
| E(B-V) (GNILC) (mag) | 0.392 ± 0.019 |
|---|
| Nearest DR4 source |
2275600230 (1.8 arcs away) |
| 2nd-nearest DR4 source |
1218843567 (3.6 arcs away) |
| 3rd-nearest DR4 source |
1218843565 (4.7 arcs away) |
| Times observed | 5 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
— |
18.626 ± 0.169 |
18.059 ± 0.202 |
17.898 ± 0.363 |
| Petrosian mag. |
— |
— |
— |
17.975 ± 0.298 |
17.792 ± 0.073 |
17.744 ± 0.148 |
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 |
18.721 ± 0.054 |
3,0 |
100 |
2 |
| r |
20180802115408 |
18.745 ± 0.064 |
3,0 |
100 |
2 |
| i |
20180718120132 |
18.259 ± 0.067 |
3,0 |
100 |
2 |
| i |
20180804082838 |
18.316 ± 0.091 |
0,0 |
100 |
2 |
| z |
20180718120334 |
18.132 ± 0.094 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.38 |
0.62 |
| GAIA source ID |
4121972614734687360 |
4121972614698617984 |
| Bp mag. |
19.485 |
-- |
| G mag. |
19.529 |
19.948 |
| Rp mag. |
18.244 |
-- |
| Bp/Rp excess |
2.130 |
-- |
| Parallax (mas) |
0.817 ± 0.551 |
3.116 ± 1.301 |
| PM RA (mas/yr) |
-4.853 ± 0.632 |
-9.839 ± 1.762 |
| PM Dec (mas/yr) |
-1.697 ± 0.387 |
-1.078 ± 1.228 |
| A.E.N. (mas) |
0.0 ± 0.0 |
2.131 ± 2.172 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.632
±
0.007
|
| r |
19.012
±
0.005
|
| i |
18.568
±
0.009
|
| z |
18.364
±
0.011
|
| Y |
--
±
--
|
| J |
17.314
±
0.030
|
| H |
--
±
--
|
| K |
16.747
±
0.069
|
| W1 |
16.072
±
0.073
|
| W2 |
15.672
±
0.074
|
| 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. |
