Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821039 (SMSS J172718.38-205041.0)
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Data release | DR4 |
RA (deg) | 261.8266 |
Dec (deg) | -20.8447 |
Galactic lon. (deg) | 4.6342 |
Galactic lat. (deg) | 7.8313 |
E(B-V) (SFD98) (mag) | 0.983 |
E(B-V) (GNILC) (mag) | 0.971 ± 0.050 |
Nearest DR4 source |
179821040 (5.1 arcs away) |
2nd-nearest DR4 source |
179821044 (9.8 arcs away) |
3rd-nearest DR4 source |
179821036 (11.8 arcs away) |
Times observed | 4 |
Total bad pixels | 0 |
Observing flags | 0 |
Magnitudes
Filter |
u |
v |
g |
r |
i |
z |
PSF mag. |
— |
— |
— |
— |
18.555 ± 0.189 |
18.138 ± 0.164 |
Petrosian mag. |
— |
— |
— |
— |
18.154 ± 0.139 |
18.061 ± 0.192 |
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 |
18.654 ± 0.095 |
0,0 |
100 |
2 |
i |
20150901084554 |
18.847 ± 0.101 |
0,0 |
100 |
2 |
i |
20190505170526 |
18.726 ± 0.094 |
16,0 |
100 |
2 |
z |
20150901084353 |
18.242 ± 0.112 |
0,0 |
100 |
2 |
z |
20150901084754 |
18.421 ± 0.129 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
Distance (arcsec) |
0.28 |
2.3 |
GAIA source ID |
4121011229240868096 |
4121011229246306816 |
Bp mag. |
20.811 |
-- |
G mag. |
19.588 |
20.938 |
Rp mag. |
18.595 |
-- |
Bp/Rp excess |
1.286 |
-- |
Parallax (mas) |
-0.328 ± 0.396 |
-- ± -- |
PM RA (mas/yr) |
-0.558 ± 0.504 |
-- ± -- |
PM Dec (mas/yr) |
-1.937 ± 0.334 |
-- ± -- |
A.E.N. (mas) |
1.047 ± 1.595 |
2.552 ± 0.496 |
UV to IR data
Matching radius: 2"
Filter |
Magnitude1 |
FUV |
--
±
--
|
NUV |
--
±
--
|
u |
--
±
--
|
g |
21.408
±
0.029
|
r |
19.835
±
0.006
|
i |
19.122
±
0.022
|
z |
18.626
±
0.020
|
Y |
--
±
--
|
J |
16.817
±
0.024
|
H |
--
±
--
|
K |
15.891
±
0.035
|
W1 |
15.325
±
0.018
|
W2 |
15.428
±
0.049
|
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. |