Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821066 (SMSS J172717.20-204959.0)
Find on
Data release | DR4 |
RA (deg) | 261.8217 |
Dec (deg) | -20.8331 |
Galactic lon. (deg) | 4.6415 |
Galactic lat. (deg) | 7.8416 |
E(B-V) (SFD98) (mag) | 0.983 |
E(B-V) (GNILC) (mag) | 0.903 ± 0.044 |
Nearest DR4 source |
179821065 (6.5 arcs away) |
2nd-nearest DR4 source |
179821064 (9.8 arcs away) |
3rd-nearest DR4 source |
2268053140 (9.8 arcs away) |
Times observed | 29 |
Total bad pixels | 0 |
Observing flags | 3 |
Magnitudes
Filter |
u |
v |
g |
r |
i |
z |
PSF mag. |
— |
— |
18.518 ± 0.016 |
17.340 ± 0.015 |
16.331 ± 0.010 |
15.756 ± 0.012 |
Petrosian mag. |
— |
— |
18.628 ± 0.030 |
17.440 ± 0.023 |
16.405 ± 0.020 |
15.808 ± 0.016 |
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 |
20140729111106 |
18.441 ± 0.109 |
0,0 |
5 |
2 |
g |
20190505165725 |
18.525 ± 0.030 |
3,0 |
100 |
2 |
g |
20190506165109 |
18.527 ± 0.032 |
3,0 |
100 |
2 |
g |
20190507143127 |
18.512 ± 0.030 |
3,0 |
100 |
2 |
r |
20140719114939 |
17.173 ± 0.060 |
3,0 |
5 |
2 |
r |
20140722114203 |
17.396 ± 0.065 |
0,0 |
5 |
2 |
r |
20140729111131 |
17.387 ± 0.061 |
0,0 |
5 |
2 |
r |
20160420170109 |
17.471 ± 0.09 |
0,0 |
5 |
2 |
r |
20190505165926 |
17.348 ± 0.030 |
3,0 |
100 |
2 |
r |
20190506165309 |
17.347 ± 0.029 |
3,0 |
100 |
2 |
r |
20190507143327 |
17.325 ± 0.036 |
3,0 |
100 |
2 |
r |
20210407183558 |
17.375 ± 0.083 |
529,0 |
5 |
2 |
i |
20140719115004 |
16.365 ± 0.041 |
3,0 |
10 |
2 |
i |
20140722114229 |
16.263 ± 0.039 |
3,0 |
10 |
2 |
i |
20140729111202 |
16.346 ± 0.039 |
3,0 |
10 |
2 |
i |
20150901084153 |
16.351 ± 0.031 |
3,0 |
100 |
2 |
i |
20150901084554 |
16.35 ± 0.029 |
3,0 |
100 |
2 |
i |
20160420170134 |
16.344 ± 0.041 |
3,0 |
10 |
2 |
i |
20180605124636 |
16.260 ± 0.047 |
3,0 |
10 |
2 |
i |
20190505170526 |
16.311 ± 0.030 |
3,0 |
100 |
2 |
i |
20190509140533 |
16.358 ± 0.047 |
3,0 |
100 |
2 |
i |
20200524153441 |
16.312 ± 0.048 |
3,0 |
10 |
2 |
i |
20210407183626 |
16.31 ± 0.046 |
19,0 |
10 |
2 |
z |
20140719115035 |
15.779 ± 0.037 |
3,0 |
20 |
2 |
z |
20140722114259 |
15.742 ± 0.035 |
3,0 |
20 |
2 |
z |
20140729111235 |
15.793 ± 0.036 |
3,0 |
20 |
2 |
z |
20150901084353 |
15.767 ± 0.032 |
3,0 |
100 |
2 |
z |
20150901084754 |
15.740 ± 0.030 |
3,0 |
100 |
2 |
z |
20160420170204 |
15.820 ± 0.036 |
3,0 |
20 |
2 |
z |
20190505170726 |
15.725 ± 0.030 |
3,0 |
100 |
2 |
z |
20190508164202 |
15.715 ± 0.027 |
3,0 |
100 |
2 |
z |
20210407183658 |
15.813 ± 0.041 |
19,0 |
20 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
Distance (arcsec) |
0.13 |
3.95 |
GAIA source ID |
4121011332353977344 |
4121011332326235136 |
Bp mag. |
18.292 |
20.836 |
G mag. |
17.058 |
20.923 |
Rp mag. |
15.977 |
19.479 |
Bp/Rp excess |
1.372 |
2.378 |
Parallax (mas) |
0.051 ± 0.071 |
-- ± -- |
PM RA (mas/yr) |
-4.847 ± 0.087 |
-- ± -- |
PM Dec (mas/yr) |
-6.670 ± 0.061 |
-- ± -- |
A.E.N. (mas) |
0.096 ± 0.360 |
5.436 ± 2.394 |
UV to IR data
Matching radius: 2"
Filter |
Magnitude1 |
FUV |
--
±
--
|
NUV |
--
±
--
|
u |
--
±
--
|
g |
18.935
±
0.005
|
r |
17.365
±
0.002
|
i |
16.511
±
0.003
|
z |
16.010
±
0.002
|
Y |
--
±
--
|
J |
14.187
±
0.03
|
H |
13.381
±
0.024
|
K |
13.092
±
0.027
|
W1 |
13.063
±
0.019
|
W2 |
13.109
±
0.018
|
W3 |
11.855
±
0.36
|
W4 |
8.527
±
0.459
|
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. |