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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179850614 (SMSS J172752.74-204046.7)

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Data releaseDR4
RA (deg)261.970
Dec (deg)-20.680
Galactic lon. (deg)4.848
Galactic lat. (deg)7.809
E(B-V) (SFD98) (mag)0.873
E(B-V) (GNILC) (mag)0.734 ± 0.033
Nearest DR4 source 179850615 (6.9 arcs away)
2nd-nearest DR4 source 179850607 (8.7 arcs away)
3rd-nearest DR4 source 179850561 (9.0 arcs away)
Times observed18
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 19.884 ± 0.028 18.925 ± 0.018 18.003 ± 0.016 17.596 ± 0.016
Petrosian mag. — — 20.211 ± 0.159 19.345 ± 0.074 18.202 ± 0.063 17.871 ± 0.067

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 19.876 ± 0.076 0,0 100 2
r 20190505165926 18.935 ± 0.067 0,0 100 2
r 20190506165309 18.899 ± 0.063 0,0 100 2
r 20190507143327 18.956 ± 0.069 1040,0 100 2
r 20190822094324 18.954 ± 0.063 0,0 100 2
i 20140729111202 17.825 ± 0.102 0,0 10 2
i 20150901084153 17.986 ± 0.057 0,0 100 2
i 20150901084554 17.971 ± 0.052 0,0 100 2
i 20160420172350 17.911 ± 0.151 0,0 10 2
i 20190505170526 18.009 ± 0.057 0,0 100 2
i 20190509140533 17.982 ± 0.071 0,0 100 2
i 20190720124743 18.015 ± 0.079 0,0 100 2
z 20140722114259 17.607 ± 0.113 0,0 20 2
z 20140729111235 17.483 ± 0.101 0,0 20 2
z 20150901084353 17.559 ± 0.065 0,0 100 2
z 20150901084754 17.617 ± 0.066 1024,0 100 2
z 20160420172420 17.756 ± 0.160 0,0 20 2
z 20190505170726 17.594 ± 0.071 0,0 100 2
z 20190509140733 17.601 ± 0.085 0,0 100 2
z 20190720124943 17.587 ± 0.084 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.27 1.69
GAIA source ID 4121031737678197632 4121031742007951744
Bp mag. 19.650 --
G mag. 18.745 20.456
Rp mag. 17.710 --
Bp/Rp excess 1.408 --
Parallax (mas) 0.085 ± 0.215 -1.179 ± 1.445
PM RA (mas/yr) 0.977 ± 0.239 -1.924 ± 1.512
PM Dec (mas/yr) -5.667 ± 0.177 -2.751 ± 1.229
A.E.N. (mas) 0.089 ± 0.037 1.442 ± 0.568

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r -- ± --
i -- ± --
z -- ± --
Y -- ± --
J 16.201 ± 0.014
H -- ± --
K 15.269 ± 0.020
W1 15.47 ± 0.025
W2 15.717 ± 0.065
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.