Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821069 (SMSS J172719.22-204956.0)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8301 |
|---|
| Dec (deg) | -20.8322 |
|---|
| Galactic lon. (deg) | 4.6466 |
|---|
| Galactic lat. (deg) | 7.8354 |
|---|
| E(B-V) (SFD98) (mag) | 0.983 |
|---|
| E(B-V) (GNILC) (mag) | 0.903 ± 0.044 |
|---|
| Nearest DR4 source |
179821263 (7.3 arcs away) |
| 2nd-nearest DR4 source |
179821255 (7.4 arcs away) |
| 3rd-nearest DR4 source |
179821068 (10.3 arcs away) |
| Times observed | 16 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.397 ± 0.064 |
18.306 ± 0.059 |
17.363 ± 0.029 |
16.825 ± 0.031 |
| Petrosian mag. |
— |
— |
18.879 ± 0.084 |
18.011 ± 0.196 |
17.220 ± 0.047 |
16.673 ± 0.046 |
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 |
20190506165109 |
19.402 ± 0.054 |
3,0 |
100 |
2 |
| r |
20140729111131 |
18.332 ± 0.127 |
0,0 |
5 |
2 |
| r |
20190506165309 |
18.358 ± 0.044 |
3,0 |
100 |
2 |
| i |
20140719115004 |
17.375 ± 0.080 |
1,0 |
10 |
2 |
| i |
20140722114229 |
17.431 ± 0.079 |
0,0 |
10 |
2 |
| i |
20140729111202 |
17.385 ± 0.073 |
0,0 |
10 |
2 |
| i |
20150901084153 |
17.371 ± 0.041 |
3,0 |
100 |
2 |
| i |
20150901084554 |
17.378 ± 0.038 |
3,0 |
100 |
2 |
| i |
20160420170134 |
17.553 ± 0.104 |
0,0 |
10 |
2 |
| i |
20190509140533 |
17.423 ± 0.056 |
19,0 |
100 |
2 |
| i |
20210407183626 |
17.273 ± 0.086 |
0,0 |
10 |
2 |
| z |
20140722114259 |
16.810 ± 0.061 |
1,0 |
20 |
2 |
| z |
20140729111235 |
16.832 ± 0.062 |
0,0 |
20 |
2 |
| z |
20150901084353 |
16.832 ± 0.043 |
3,0 |
100 |
2 |
| z |
20150901084754 |
16.860 ± 0.041 |
3,0 |
100 |
2 |
| z |
20160420170204 |
16.792 ± 0.069 |
1,0 |
20 |
2 |
| z |
20190509140733 |
16.894 ± 0.060 |
19,0 |
100 |
2 |
| z |
20210407183658 |
17.015 ± 0.094 |
0,0 |
20 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.16 |
0.91 |
| GAIA source ID |
4121011332320134016 |
4121011332320134144 |
| Bp mag. |
19.259 |
-- |
| G mag. |
18.255 |
19.923 |
| Rp mag. |
17.064 |
-- |
| Bp/Rp excess |
1.548 |
-- |
| Parallax (mas) |
0.496 ± 0.183 |
-- ± -- |
| PM RA (mas/yr) |
-3.924 ± 0.224 |
-- ± -- |
| PM Dec (mas/yr) |
-5.085 ± 0.159 |
-- ± -- |
| A.E.N. (mas) |
0.951 ± 8.552 |
0.0 ± 0.0 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.853
±
0.008
|
| r |
18.363
±
0.002
|
| i |
17.557
±
0.005
|
| z |
17.092
±
0.004
|
| Y |
--
±
--
|
| J |
15.343
±
0.007
|
| H |
--
±
--
|
| K |
14.38
±
0.009
|
| W1 |
14.337
±
0.018
|
| W2 |
14.324
±
0.026
|
| 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. |
