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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179864123 (SMSS J172828.77-210800.8)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)262.120
Dec (deg)-21.133
Galactic lon. (deg)4.540
Galactic lat. (deg)7.444
E(B-V) (SFD98) (mag)0.994
E(B-V) (GNILC) (mag)0.881 ± 0.046
Nearest DR4 source 179864125 (7.0 arcs away)
2nd-nearest DR4 source 2268100086 (8.2 arcs away)
3rd-nearest DR4 source 179864114 (9.4 arcs away)
Times observed43
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 16.758 ± 0.011 15.385 ± 0.010 13.957 ± 0.010 13.222 ± 0.012
Petrosian mag. — — 16.704 ± 0.062 15.384 ± 0.038 13.924 ± 0.029 13.158 ± 0.023

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 20140719114908 16.891 ± 0.044 0,0 5 2
g 20140722114521 16.776 ± 0.036 0,0 5 2
g 20140729111106 16.724 ± 0.034 0,0 5 2
g 20160420172300 16.795 ± 0.041 0,0 5 2
g 20180605125705 16.776 ± 0.045 0,0 5 2
g 20190427174639 17.238 ± 0.030 2,0 100 3
g 20190429143720 16.839 ± 0.023 2,0 100 3
g 20190505165725 16.767 ± 0.026 3,0 100 2
g 20190507143127 16.739 ± 0.028 3,0 100 2
g 20190822095733 16.883 ± 0.026 2,0 100 2
g 20210407183532 16.804 ± 0.046 16,0 5 2
g 20210411182948 16.822 ± 0.05 0,0 5 3
r 20140719114939 15.364 ± 0.029 0,0 5 2
r 20140722114545 15.390 ± 0.025 0,0 5 2
r 20140729111131 15.366 ± 0.022 0,0 5 2
r 20160420172325 15.411 ± 0.022 0,0 5 2
r 20180605125736 15.397 ± 0.031 0,0 5 2
r 20190427174841 15.601 ± 0.031 3,0 100 3
r 20190429143921 15.374 ± 0.029 3,0 100 3
r 20190505165926 15.405 ± 0.029 3,0 100 2
r 20190507143327 15.373 ± 0.034 3,0 100 2
r 20190822095933 15.572 ± 0.025 3,0 100 2
r 20210407183558 15.443 ± 0.032 16,0 5 2
r 20210411183015 15.355 ± 0.027 0,0 5 2
r 20210619110859 15.904 ± 0.036 0,0 100 3
i 20140719115004 13.948 ± 0.024 3,0 10 2
i 20140722114611 13.966 ± 0.022 3,0 10 2
i 20140729111202 13.950 ± 0.026 2,0 10 2
i 20150901084554 13.952 ± 0.029 3,0 100 2
i 20160420172350 13.936 ± 0.023 2,0 10 2
i 20170728084257 13.963 ± 0.034 3,0 100 2
i 20180605125802 14.049 ± 0.040 2,0 10 2
i 20190419150817 14.022 ± 0.032 2,0 100 2
i 20190505170526 13.990 ± 0.030 3,0 100 2
i 20190508164002 14.025 ± 0.025 2,0 100 2
i 20190720123536 14.077 ± 0.037 2,0 100 2
i 20210407183626 13.965 ± 0.029 19,0 10 2
i 20210411183047 13.978 ± 0.034 2,0 10 2
z 20140719115035 13.305 ± 0.026 2,0 20 2
z 20140722114641 13.224 ± 0.021 3,0 20 2
z 20140729111235 13.219 ± 0.028 3,0 20 2
z 20150901084754 13.231 ± 0.026 3,0 100 2
z 20160420172420 13.207 ± 0.021 2,0 20 2
z 20180605125833 13.282 ± 0.030 2,0 20 2
z 20190419151018 13.239 ± 0.032 2,0 100 2
z 20190427175645 13.293 ± 0.040 2,0 100 2
z 20190505170726 13.336 ± 0.028 2,0 100 2
z 20190508164202 13.279 ± 0.024 2,0 100 2
z 20190720123157 13.322 ± 0.039 2,0 100 2
z 20190720123735 13.310 ± 0.037 2,0 100 2
z 20200513183957 13.244 ± 0.031 2,0 100 2
z 20210407183658 13.228 ± 0.026 19,0 20 2
z 20210411183118 13.210 ± 0.027 2,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.34 3.12
GAIA source ID 4120952916434057984 4120952920734196992
Bp mag. 16.427 20.641
G mag. 14.797 20.020
Rp mag. 13.560 18.266
Bp/Rp excess 1.477 2.527
Parallax (mas) 0.086 ± 0.026 -0.218 ± 0.615
PM RA (mas/yr) -1.598 ± 0.031 -6.106 ± 0.866
PM Dec (mas/yr) -5.501 ± 0.021 -9.247 ± 0.578
A.E.N. (mas) 0.0 ± 0.0 1.727 ± 1.691

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 17.223 ± 0.003
r 15.393 ± 0.001
i 14.125 ± 0.002
z 13.444 ± 0.002
Y -- ± --
J 11.424 ± 0.018
H 10.439 ± 0.02
K 10.087 ± 0.021
W1 9.802 ± 0.016
W2 10.084 ± 0.012
W3 10.332 ± 0.096
W4 8.661 ± --
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.