Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179852554 (SMSS J172755.45-203731.2)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.981 |
|---|
| Dec (deg) | -20.625 |
|---|
| Galactic lon. (deg) | 4.899 |
|---|
| Galactic lat. (deg) | 7.830 |
|---|
| E(B-V) (SFD98) (mag) | 0.860 |
|---|
| E(B-V) (GNILC) (mag) | 0.782 ± 0.037 |
|---|
| Nearest DR4 source |
179852566 (5.5 arcs away) |
| 2nd-nearest DR4 source |
2268087389 (8.1 arcs away) |
| 3rd-nearest DR4 source |
179852567 (9.9 arcs away) |
| Times observed | 23 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
18.405 ± 0.094 |
17.580 ± 0.064 |
16.900 ± 0.032 |
16.509 ± 0.029 |
| Petrosian mag. |
— |
— |
18.325 ± 0.047 |
17.412 ± 0.027 |
16.758 ± 0.032 |
16.413 ± 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 |
18.405 ± 0.031 |
3,0 |
100 |
2 |
| r |
20140722114203 |
17.619 ± 0.076 |
0,0 |
5 |
2 |
| r |
20160420170109 |
17.702 ± 0.108 |
16,0 |
5 |
2 |
| r |
20160420172325 |
17.535 ± 0.091 |
0,0 |
5 |
2 |
| r |
20190505165926 |
17.567 ± 0.034 |
3,0 |
100 |
2 |
| r |
20190506165309 |
17.584 ± 0.031 |
3,0 |
100 |
2 |
| i |
20140719115004 |
16.881 ± 0.059 |
3,0 |
10 |
2 |
| i |
20140722114229 |
16.921 ± 0.055 |
2,0 |
10 |
2 |
| i |
20150901084153 |
16.840 ± 0.034 |
3,0 |
100 |
2 |
| i |
20160420170134 |
16.965 ± 0.064 |
16,0 |
10 |
2 |
| i |
20160420172350 |
17.012 ± 0.071 |
0,0 |
10 |
2 |
| i |
20190505170526 |
16.848 ± 0.034 |
3,0 |
100 |
2 |
| i |
20190509140533 |
16.887 ± 0.053 |
3,0 |
100 |
2 |
| i |
20190720124743 |
16.828 ± 0.063 |
3,0 |
100 |
2 |
| i |
20200513190610 |
16.888 ± 0.040 |
3,0 |
100 |
2 |
| i |
20210407183626 |
16.951 ± 0.068 |
3,0 |
10 |
2 |
| z |
20140719115035 |
16.414 ± 0.056 |
3,0 |
20 |
2 |
| z |
20140722114259 |
16.513 ± 0.050 |
2,0 |
20 |
2 |
| z |
20150901084353 |
16.494 ± 0.038 |
3,0 |
100 |
2 |
| z |
20160420170204 |
16.583 ± 0.060 |
16,0 |
20 |
2 |
| z |
20160420172420 |
16.548 ± 0.058 |
0,0 |
20 |
2 |
| z |
20190505170726 |
16.474 ± 0.037 |
3,0 |
100 |
2 |
| z |
20190508164202 |
16.493 ± 0.039 |
3,0 |
100 |
2 |
| z |
20190509140733 |
16.507 ± 0.058 |
3,0 |
100 |
2 |
| z |
20190720124943 |
16.470 ± 0.061 |
3,0 |
100 |
2 |
| z |
20210407183658 |
16.396 ± 0.059 |
3,0 |
20 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.52 |
1.66 |
| GAIA source ID |
4121033627458455808 |
4121033631786610176 |
| Bp mag. |
18.533 |
19.619 |
| G mag. |
17.690 |
19.122 |
| Rp mag. |
16.723 |
17.888 |
| Bp/Rp excess |
1.360 |
1.769 |
| Parallax (mas) |
0.243 ± 0.123 |
-0.923 ± 0.348 |
| PM RA (mas/yr) |
-1.800 ± 0.138 |
-3.944 ± 0.384 |
| PM Dec (mas/yr) |
-3.957 ± 0.100 |
0.884 ± 0.266 |
| A.E.N. (mas) |
0.000 ± 0.000 |
0.781 ± 1.679 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
--
±
--
|
| r |
17.417
±
0.005
|
| i |
--
±
--
|
| z |
--
±
--
|
| Y |
--
±
--
|
| J |
15.354
±
0.007
|
| H |
--
±
--
|
| K |
14.632
±
0.011
|
| W1 |
14.380
±
0.016
|
| W2 |
14.482
±
0.024
|
| 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. |
