Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 184980966 (SMSS J172113.06-201502.9)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 260.3043 |
|---|
| Dec (deg) | -20.2506 |
|---|
| Galactic lon. (deg) | 4.3447 |
|---|
| Galactic lat. (deg) | 9.3489 |
|---|
| E(B-V) (SFD98) (mag) | 0.468 |
|---|
| E(B-V) (GNILC) (mag) | 0.392 ± 0.017 |
|---|
| Nearest DR4 source |
2275599567 (5.6 arcs away) |
| 2nd-nearest DR4 source |
2275599566 (6.3 arcs away) |
| 3rd-nearest DR4 source |
1218842997 (6.8 arcs away) |
| Times observed | 22 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
18.257 ± 0.102 |
17.614 ± 0.127 |
17.305 ± 0.080 |
17.111 ± 0.097 |
| Petrosian mag. |
— |
— |
17.919 ± 0.114 |
17.317 ± 0.053 |
17.156 ± 0.103 |
17.115 ± 0.166 |
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 |
18.466 ± 0.044 |
0,0 |
100 |
2 |
| g |
20180801105218 |
18.467 ± 0.049 |
0,0 |
100 |
2 |
| g |
20190822092753 |
18.464 ± 0.045 |
0,0 |
100 |
2 |
| g |
20200224174822 |
18.506 ± 0.059 |
0,0 |
100 |
2 |
| r |
20140626130951 |
18.189 ± 0.129 |
0,0 |
5 |
2 |
| r |
20180718115528 |
17.827 ± 0.041 |
3,0 |
100 |
2 |
| r |
20180801105419 |
17.844 ± 0.052 |
0,0 |
100 |
2 |
| r |
20180802115408 |
17.807 ± 0.045 |
2,0 |
100 |
2 |
| r |
20190822092953 |
17.871 ± 0.040 |
0,0 |
100 |
2 |
| i |
20140626131016 |
17.442 ± 0.083 |
0,0 |
10 |
2 |
| i |
20140627130852 |
17.703 ± 0.112 |
0,0 |
10 |
2 |
| i |
20150831085034 |
17.509 ± 0.065 |
0,0 |
100 |
2 |
| i |
20160420170134 |
17.438 ± 0.095 |
0,0 |
10 |
2 |
| i |
20180315174718 |
17.435 ± 0.087 |
0,0 |
10 |
2 |
| i |
20180718120132 |
17.387 ± 0.050 |
0,0 |
100 |
2 |
| i |
20190416152010 |
17.478 ± 0.055 |
0,0 |
100 |
2 |
| i |
20190806103155 |
17.43 ± 0.050 |
16,0 |
100 |
2 |
| z |
20140626131048 |
17.223 ± 0.084 |
0,0 |
20 |
2 |
| z |
20140627130923 |
17.164 ± 0.089 |
0,0 |
20 |
2 |
| z |
20160420170204 |
17.404 ± 0.115 |
0,0 |
20 |
2 |
| z |
20180315174748 |
17.445 ± 0.103 |
0,0 |
20 |
2 |
| z |
20180718120334 |
17.192 ± 0.056 |
0,0 |
100 |
2 |
| z |
20190416152212 |
17.246 ± 0.066 |
0,0 |
100 |
2 |
| z |
20190806103356 |
17.201 ± 0.055 |
16,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.7 |
1.38 |
| GAIA source ID |
4121948940825528448 |
4121948936531094144 |
| Bp mag. |
-- |
18.844 |
| G mag. |
19.363 |
18.281 |
| Rp mag. |
-- |
17.495 |
| Bp/Rp excess |
-- |
1.301 |
| Parallax (mas) |
1.620 ± 0.654 |
0.271 ± 0.177 |
| PM RA (mas/yr) |
-6.008 ± 0.765 |
-3.651 ± 0.200 |
| PM Dec (mas/yr) |
-1.254 ± 0.523 |
-5.137 ± 0.131 |
| A.E.N. (mas) |
2.908 ± 18.928 |
0.0 ± 0.0 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.126
±
0.007
|
| r |
19.219
±
0.004
|
| i |
18.902
±
0.008
|
| z |
18.751
±
0.009
|
| Y |
--
±
--
|
| J |
17.340
±
0.031
|
| H |
--
±
--
|
| K |
16.759
±
0.070
|
| W1 |
15.223
±
0.018
|
| W2 |
15.678
±
0.067
|
| 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. |
