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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185224190 (SMSS J173003.74-201900.2)

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Data releaseDR4
RA (deg)262.5157
Dec (deg)-20.3168
Galactic lon. (deg)5.4349
Galactic lat. (deg)7.5756
E(B-V) (SFD98) (mag)1.102
E(B-V) (GNILC) (mag)1.215 ± 0.061
Nearest DR4 source 185224189 (3.1 arcs away)
2nd-nearest DR4 source 2275932763 (8.9 arcs away)
3rd-nearest DR4 source 185224241 (9.8 arcs away)
Times observed20
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 20.217 ± 0.065 19.381 ± 0.066 18.396 ± 0.034 17.921 ± 0.033
Petrosian mag. — — 19.966 ± 0.172 18.944 ± 0.208 18.235 ± 0.165 17.829 ± 0.128

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 20190505165725 20.207 ± 0.083 0,0 100 2
g 20190506165109 20.312 ± 0.084 3,0 100 2
g 20190822094124 20.165 ± 0.070 0,0 100 2
r 20190505165926 19.455 ± 0.085 3,0 100 2
r 20190506165309 19.328 ± 0.064 3,0 100 2
r 20190507143327 19.118 ± 0.074 0,0 100 2
r 20190822094324 19.162 ± 0.054 0,0 100 2
i 20140722114229 18.514 ± 0.183 512,0 10 2
i 20150901084153 18.433 ± 0.067 3,0 100 2
i 20150901084554 18.442 ± 0.066 3,0 100 2
i 20190505170526 18.401 ± 0.065 3,0 100 2
i 20190509140533 18.387 ± 0.076 3,0 100 2
i 20190720124743 18.271 ± 0.075 0,0 100 2
z 20140722114259 17.948 ± 0.143 0,0 20 2
z 20140729111235 18.060 ± 0.159 0,0 20 2
z 20150901084353 17.946 ± 0.077 3,0 100 2
z 20150901084754 17.856 ± 0.074 3,0 100 2
z 20160420172420 18.100 ± 0.227 0,0 20 2
z 20190505170726 17.901 ± 0.084 3,0 100 2
z 20190509140733 17.865 ± 0.091 2,0 100 2
z 20190720124943 17.775 ± 0.083 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.75 2.05
GAIA source ID 4121431444512330240 4121431448827955712
Bp mag. 20.158 --
G mag. 19.134 20.642
Rp mag. 18.112 --
Bp/Rp excess 1.362 --
Parallax (mas) 0.585 ± 0.339 -- ± --
PM RA (mas/yr) 0.297 ± 0.452 -- ± --
PM Dec (mas/yr) -4.931 ± 0.282 -- ± --
A.E.N. (mas) 1.069 ± 2.136 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r -- ± --
i -- ± --
z -- ± --
Y -- ± --
J 16.558 ± 0.019
H -- ± --
K 15.662 ± 0.031
W1 15.192 ± 0.028
W2 15.069 ± 0.058
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.