Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821072 (SMSS J172716.91-204935.0)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8205 |
|---|
| Dec (deg) | -20.8264 |
|---|
| Galactic lon. (deg) | 4.6465 |
|---|
| Galactic lat. (deg) | 7.8461 |
|---|
| E(B-V) (SFD98) (mag) | 0.983 |
|---|
| E(B-V) (GNILC) (mag) | 0.903 ± 0.044 |
|---|
| Nearest DR4 source |
179821173 (4.8 arcs away) |
| 2nd-nearest DR4 source |
179821073 (7.8 arcs away) |
| 3rd-nearest DR4 source |
179821071 (10.5 arcs away) |
| Times observed | 14 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 515 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
18.511 ± -- |
17.291 ± 0.026 |
16.307 ± 0.018 |
15.784 ± 0.017 |
| Petrosian mag. |
— |
— |
19.043 ± -- |
17.317 ± 0.049 |
16.241 ± 0.027 |
15.773 ± 0.026 |
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 |
20140729111106 |
18.871 ± 0.159 |
515,0 |
5 |
2 |
| r |
20140722114203 |
17.337 ± 0.063 |
3,0 |
5 |
2 |
| r |
20140729111131 |
17.301 ± 0.057 |
3,0 |
5 |
2 |
| r |
20160420170109 |
17.251 ± 0.075 |
3,0 |
5 |
2 |
| i |
20140722114229 |
16.333 ± 0.040 |
3,0 |
10 |
2 |
| i |
20140729111202 |
16.305 ± 0.039 |
3,0 |
10 |
2 |
| i |
20150901084153 |
16.287 ± 0.031 |
3,0 |
100 |
2 |
| i |
20150901084554 |
16.301 ± 0.029 |
3,0 |
100 |
2 |
| i |
20160420170134 |
16.367 ± 0.042 |
3,0 |
10 |
2 |
| z |
20140722114259 |
15.774 ± 0.035 |
3,0 |
20 |
2 |
| z |
20140729111235 |
15.769 ± 0.036 |
3,0 |
20 |
2 |
| z |
20150901084353 |
15.742 ± 0.032 |
3,0 |
100 |
2 |
| z |
20150901084754 |
15.767 ± 0.030 |
3,0 |
100 |
2 |
| z |
20160420170204 |
15.851 ± 0.036 |
3,0 |
20 |
2 |
| z |
20190505170726 |
15.779 ± 0.031 |
3,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.11 |
3.94 |
| GAIA source ID |
4121023083384503936 |
4121023083384504832 |
| Bp mag. |
18.176 |
-- |
| G mag. |
17.038 |
19.919 |
| Rp mag. |
15.987 |
-- |
| Bp/Rp excess |
1.363 |
-- |
| Parallax (mas) |
0.071 ± 0.069 |
-- ± -- |
| PM RA (mas/yr) |
-3.578 ± 0.088 |
-- ± -- |
| PM Dec (mas/yr) |
-6.372 ± 0.063 |
-- ± -- |
| A.E.N. (mas) |
0.0 ± 0.0 |
1.808 ± 1.423 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
18.707
±
0.004
|
| r |
17.273
±
0.002
|
| i |
16.500
±
0.003
|
| z |
16.052
±
0.002
|
| Y |
--
±
--
|
| J |
14.315
±
0.036
|
| H |
13.53
±
0.035
|
| K |
13.33
±
0.027
|
| W1 |
13.473
±
0.018
|
| W2 |
13.587
±
0.019
|
| 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. |
