Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179819793 (SMSS J172714.94-205107.6)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8123 |
|---|
| Dec (deg) | -20.8521 |
|---|
| Galactic lon. (deg) | 4.6206 |
|---|
| Galactic lat. (deg) | 7.8385 |
|---|
| E(B-V) (SFD98) (mag) | 0.940 |
|---|
| E(B-V) (GNILC) (mag) | 0.929 ± 0.041 |
|---|
| Nearest DR4 source |
179819795 (5.3 arcs away) |
| 2nd-nearest DR4 source |
179819790 (7.1 arcs away) |
| 3rd-nearest DR4 source |
179819796 (8.1 arcs away) |
| Times observed | 18 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
20.086 ± 0.092 |
18.958 ± 0.083 |
18.140 ± 0.048 |
17.676 ± 0.054 |
| Petrosian mag. |
— |
— |
19.803 ± 0.133 |
18.531 ± 0.064 |
17.791 ± 0.076 |
17.461 ± 0.048 |
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 |
20.083 ± 0.092 |
0,0 |
100 |
2 |
| r |
20190505165926 |
18.958 ± 0.067 |
0,0 |
100 |
2 |
| r |
20190506165309 |
18.936 ± 0.065 |
0,0 |
100 |
2 |
| r |
20190507143327 |
19.043 ± 0.065 |
2,0 |
100 |
2 |
| r |
20190822094324 |
18.988 ± 0.065 |
16,0 |
100 |
2 |
| i |
20140729111202 |
18.275 ± 0.153 |
0,0 |
10 |
2 |
| i |
20150901084153 |
18.052 ± 0.060 |
0,0 |
100 |
2 |
| i |
20150901084554 |
18.081 ± 0.056 |
3,0 |
100 |
2 |
| i |
20190419150817 |
18.210 ± 0.090 |
0,0 |
100 |
2 |
| i |
20190505170526 |
18.080 ± 0.058 |
2,0 |
100 |
2 |
| i |
20190508164002 |
18.132 ± 0.066 |
0,0 |
100 |
2 |
| i |
20190720124743 |
18.144 ± 0.080 |
2,0 |
100 |
2 |
| z |
20140722114259 |
17.614 ± 0.114 |
0,0 |
20 |
2 |
| z |
20140729111235 |
17.700 ± 0.123 |
0,0 |
20 |
2 |
| z |
20150901084353 |
17.640 ± 0.070 |
0,0 |
100 |
2 |
| z |
20150901084754 |
17.666 ± 0.069 |
2,0 |
100 |
2 |
| z |
20190505170726 |
17.653 ± 0.072 |
0,0 |
100 |
2 |
| z |
20190508164202 |
17.653 ± 0.073 |
0,0 |
100 |
2 |
| z |
20190720124943 |
17.673 ± 0.086 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.32 |
1.06 |
| GAIA source ID |
4121011194915014528 |
4121011194881136768 |
| Bp mag. |
-- |
20.117 |
| G mag. |
19.838 |
19.578 |
| Rp mag. |
-- |
18.148 |
| Bp/Rp excess |
-- |
2.013 |
| Parallax (mas) |
0.811 ± 0.574 |
0.391 ± 0.396 |
| PM RA (mas/yr) |
-3.885 ± 1.023 |
-4.362 ± 0.545 |
| PM Dec (mas/yr) |
-4.271 ± 0.696 |
-2.064 ± 0.379 |
| A.E.N. (mas) |
0.0 ± 0.0 |
1.057 ± 1.634 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.330
±
0.015
|
| r |
19.050
±
0.004
|
| i |
18.465
±
0.015
|
| z |
18.039
±
0.016
|
| Y |
--
±
--
|
| J |
16.488
±
0.018
|
| H |
--
±
--
|
| K |
15.672
±
0.028
|
| W1 |
14.92
±
0.015
|
| W2 |
14.986
±
0.037
|
| 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. |
