Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179900788 (SMSS J172820.41-203502.6)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 262.0851 |
|---|
| Dec (deg) | -20.5839 |
|---|
| Galactic lon. (deg) | 4.9879 |
|---|
| Galactic lat. (deg) | 7.7703 |
|---|
| E(B-V) (SFD98) (mag) | 0.862 |
|---|
| E(B-V) (GNILC) (mag) | 0.697 ± 0.034 |
|---|
| Nearest DR4 source |
1212980053 (3.3 arcs away) |
| 2nd-nearest DR4 source |
179900805 (8.7 arcs away) |
| 3rd-nearest DR4 source |
179900787 (9.4 arcs away) |
| Times observed | 31 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
18.617 ± 0.122 |
17.670 ± 0.112 |
16.828 ± 0.071 |
16.419 ± 0.094 |
| Petrosian mag. |
— |
— |
18.067 ± 0.116 |
17.002 ± 0.083 |
16.193 ± 0.052 |
15.555 ± 0.100 |
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 |
20190505165725 |
18.905 ± 0.041 |
3,0 |
100 |
2 |
| g |
20190506165109 |
18.953 ± 0.039 |
3,0 |
100 |
2 |
| g |
20190507143127 |
18.893 ± 0.058 |
3,0 |
100 |
2 |
| g |
20190822094124 |
18.934 ± 0.041 |
3,0 |
100 |
2 |
| r |
20140722114203 |
18.025 ± 0.114 |
0,0 |
5 |
2 |
| r |
20160420172325 |
18.101 ± 0.149 |
0,0 |
5 |
2 |
| r |
20190505165926 |
17.900 ± 0.038 |
3,0 |
100 |
2 |
| r |
20190506165309 |
17.888 ± 0.036 |
3,0 |
100 |
2 |
| r |
20190507143327 |
17.866 ± 0.052 |
3,0 |
100 |
2 |
| r |
20190822094324 |
17.875 ± 0.036 |
3,0 |
100 |
2 |
| i |
20140719115004 |
17.024 ± 0.065 |
0,0 |
10 |
2 |
| i |
20140722114229 |
17.120 ± 0.067 |
1,0 |
10 |
2 |
| i |
20150901084153 |
17.023 ± 0.036 |
3,0 |
100 |
2 |
| i |
20160420172350 |
17.193 ± 0.082 |
2,0 |
10 |
2 |
| i |
20180605125802 |
17.084 ± 0.090 |
0,0 |
10 |
2 |
| i |
20190505170526 |
17.021 ± 0.036 |
3,0 |
100 |
2 |
| i |
20190508164002 |
16.991 ± 0.044 |
3,0 |
100 |
2 |
| i |
20190509140533 |
17.017 ± 0.054 |
3,0 |
100 |
2 |
| i |
20190720124743 |
16.994 ± 0.064 |
3,0 |
100 |
2 |
| i |
20200513190610 |
17.023 ± 0.042 |
3,0 |
100 |
2 |
| i |
20200524153441 |
16.956 ± 0.071 |
0,0 |
10 |
2 |
| z |
20140719115035 |
16.569 ± 0.062 |
0,0 |
20 |
2 |
| z |
20140722114259 |
16.480 ± 0.050 |
0,0 |
20 |
2 |
| z |
20150901084353 |
16.559 ± 0.035 |
3,0 |
100 |
2 |
| z |
20160420172420 |
16.688 ± 0.065 |
3,0 |
20 |
2 |
| z |
20180605125833 |
16.678 ± 0.085 |
0,0 |
20 |
2 |
| z |
20190505170726 |
16.549 ± 0.038 |
3,0 |
100 |
2 |
| z |
20190508164202 |
16.503 ± 0.039 |
3,0 |
100 |
2 |
| z |
20190509140733 |
16.485 ± 0.058 |
3,0 |
100 |
2 |
| z |
20190720124943 |
16.508 ± 0.062 |
3,0 |
100 |
2 |
| z |
20200513190811 |
16.553 ± 0.049 |
3,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.65 |
1.99 |
| GAIA source ID |
4121034074138082176 |
4121034074153222784 |
| Bp mag. |
19.034 |
-- |
| G mag. |
18.080 |
19.662 |
| Rp mag. |
16.970 |
-- |
| Bp/Rp excess |
1.472 |
-- |
| Parallax (mas) |
0.298 ± 0.190 |
0.176 ± 0.699 |
| PM RA (mas/yr) |
-3.873 ± 0.190 |
-6.597 ± 0.664 |
| PM Dec (mas/yr) |
-3.713 ± 0.157 |
-1.214 ± 0.505 |
| A.E.N. (mas) |
0.284 ± 0.786 |
0.0 ± 0.0 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
--
±
--
|
| r |
17.903
±
0.003
|
| i |
--
±
--
|
| z |
--
±
--
|
| Y |
--
±
--
|
| J |
15.399
±
0.007
|
| H |
--
±
--
|
| K |
14.518
±
0.010
|
| W1 |
--
±
--
|
| W2 |
--
±
--
|
| 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. |
