Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179819412 (SMSS J172730.71-205601.9)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.878 |
|---|
| Dec (deg) | -20.934 |
|---|
| Galactic lon. (deg) | 4.585 |
|---|
| Galactic lat. (deg) | 7.743 |
|---|
| E(B-V) (SFD98) (mag) | 1.056 |
|---|
| E(B-V) (GNILC) (mag) | 1.065 ± 0.050 |
|---|
| Nearest DR4 source |
179819391 (10.8 arcs away) |
| 2nd-nearest DR4 source |
2268051429 (11.4 arcs away) |
| 3rd-nearest DR4 source |
179819421 (12.9 arcs away) |
| Times observed | 4 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 0 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
— |
— |
18.910 ± 0.029 |
18.254 ± 0.064 |
| Petrosian mag. |
— |
— |
— |
— |
19.333 ± 0.295 |
18.829 ± 0.260 |
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) |
| i |
20150901084153 |
18.891 ± 0.116 |
1024,0 |
100 |
2 |
| i |
20150901084554 |
18.925 ± 0.108 |
0,0 |
100 |
2 |
| i |
20190505170526 |
18.959 ± 0.120 |
0,0 |
100 |
2 |
| z |
20150901084353 |
18.384 ± 0.127 |
1024,0 |
100 |
2 |
| z |
20150901084754 |
18.306 ± 0.116 |
0,0 |
100 |
2 |
| z |
20190505170726 |
18.536 ± 0.156 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.31 |
7.26 |
| GAIA source ID |
4121009713084562944 |
4121006762479598208 |
| Bp mag. |
20.357 |
21.183 |
| G mag. |
19.629 |
20.626 |
| Rp mag. |
18.416 |
19.464 |
| Bp/Rp excess |
1.658 |
1.661 |
| Parallax (mas) |
0.018 ± 0.431 |
-0.075 ± 1.304 |
| PM RA (mas/yr) |
-0.076 ± 0.535 |
-4.311 ± 1.793 |
| PM Dec (mas/yr) |
0.856 ± 0.340 |
-2.606 ± 1.109 |
| A.E.N. (mas) |
1.034 ± 1.411 |
3.148 ± 1.807 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.930
±
0.030
|
| r |
19.534
±
0.004
|
| i |
18.801
±
0.041
|
| z |
18.445
±
0.020
|
| Y |
--
±
--
|
| J |
16.872
±
0.025
|
| H |
--
±
--
|
| K |
16.069
±
0.041
|
| W1 |
15.769
±
0.028
|
| W2 |
15.015
±
0.034
|
| 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. |
