Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821251 (SMSS J172719.55-205012.7)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8315 |
|---|
| Dec (deg) | -20.8369 |
|---|
| Galactic lon. (deg) | 4.6433 |
|---|
| Galactic lat. (deg) | 7.8318 |
|---|
| E(B-V) (SFD98) (mag) | 0.983 |
|---|
| E(B-V) (GNILC) (mag) | 0.971 ± 0.050 |
|---|
| Nearest DR4 source |
179821254 (7.8 arcs away) |
| 2nd-nearest DR4 source |
179821068 (12.6 arcs away) |
| 3rd-nearest DR4 source |
179821253 (12.8 arcs away) |
| Times observed | 23 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 0 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.184 ± 0.018 |
17.906 ± 0.016 |
16.803 ± 0.012 |
16.174 ± 0.011 |
| Petrosian mag. |
— |
— |
19.202 ± 0.053 |
17.954 ± 0.032 |
16.821 ± 0.034 |
16.244 ± 0.019 |
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 |
19.184 ± 0.046 |
0,0 |
100 |
2 |
| g |
20190507143127 |
19.199 ± 0.044 |
0,0 |
100 |
2 |
| g |
20190822094124 |
19.173 ± 0.047 |
18,0 |
100 |
2 |
| r |
20140722114203 |
18.069 ± 0.109 |
512,0 |
5 |
2 |
| r |
20140729111131 |
17.929 ± 0.091 |
0,0 |
5 |
2 |
| r |
20160420170109 |
18.135 ± 0.158 |
512,0 |
5 |
2 |
| r |
20190506165309 |
17.928 ± 0.035 |
0,0 |
100 |
2 |
| r |
20190507143327 |
17.904 ± 0.039 |
0,0 |
100 |
2 |
| r |
20190822094324 |
17.900 ± 0.036 |
16,0 |
100 |
2 |
| i |
20140719115004 |
16.800 ± 0.052 |
0,0 |
10 |
2 |
| i |
20140722114229 |
16.807 ± 0.051 |
0,0 |
10 |
2 |
| i |
20140729111202 |
16.808 ± 0.050 |
0,0 |
10 |
2 |
| i |
20150901084153 |
16.802 ± 0.034 |
0,0 |
100 |
2 |
| i |
20150901084554 |
16.808 ± 0.031 |
0,0 |
100 |
2 |
| i |
20160420170134 |
16.891 ± 0.061 |
0,0 |
10 |
2 |
| i |
20180605124636 |
16.846 ± 0.066 |
0,0 |
10 |
2 |
| i |
20190508164002 |
16.809 ± 0.032 |
0,0 |
100 |
2 |
| i |
20190509140533 |
17.772 ± 0.061 |
24,8 |
100 |
2 |
| i |
20200524153441 |
16.756 ± 0.062 |
0,0 |
10 |
2 |
| i |
20210407183626 |
18.299 ± 0.212 |
512,0 |
10 |
2 |
| z |
20140719115035 |
16.211 ± 0.047 |
0,0 |
20 |
2 |
| z |
20140722114259 |
16.173 ± 0.041 |
0,0 |
20 |
2 |
| z |
20140729111235 |
16.144 ± 0.041 |
0,0 |
20 |
2 |
| z |
20150901084353 |
16.178 ± 0.035 |
0,0 |
100 |
2 |
| z |
20150901084754 |
16.169 ± 0.032 |
0,0 |
100 |
2 |
| z |
20160420170204 |
16.156 ± 0.044 |
0,0 |
20 |
2 |
| z |
20180605124707 |
16.158 ± 0.050 |
0,0 |
20 |
2 |
| z |
20190508164202 |
16.160 ± 0.030 |
0,0 |
100 |
2 |
| z |
20190509140733 |
17.599 ± 0.079 |
1048,7 |
100 |
2 |
| z |
20200513183957 |
16.212 ± 0.038 |
0,0 |
100 |
2 |
| z |
20200524153511 |
16.135 ± 0.057 |
0,0 |
20 |
3 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.14 |
4.45 |
| GAIA source ID |
4121011327988678272 |
4121011332320109184 |
| Bp mag. |
18.851 |
20.66 |
| G mag. |
17.536 |
20.106 |
| Rp mag. |
16.395 |
18.640 |
| Bp/Rp excess |
1.420 |
2.059 |
| Parallax (mas) |
0.152 ± 0.095 |
0.107 ± 0.691 |
| PM RA (mas/yr) |
-0.694 ± 0.115 |
-4.386 ± 0.705 |
| PM Dec (mas/yr) |
-6.597 ± 0.080 |
-9.660 ± 0.520 |
| A.E.N. (mas) |
0.111 ± 0.281 |
1.997 ± 2.546 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.604
±
0.007
|
| r |
17.831
±
0.002
|
| i |
16.936
±
0.003
|
| z |
16.397
±
0.003
|
| Y |
--
±
--
|
| J |
14.516
±
0.023
|
| H |
13.643
±
0.02
|
| K |
13.369
±
0.03
|
| W1 |
13.147
±
0.014
|
| W2 |
13.271
±
0.013
|
| W3 |
12.118
±
0.442
|
| W4 |
8.388
±
--
|
| 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. |
