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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 184981254 (SMSS J172114.59-201412.8)

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Data releaseDR4
RA (deg)260.3108
Dec (deg)-20.2368
Galactic lon. (deg)4.3598
Galactic lat. (deg)9.3514
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 1218843554 (8.6 arcs away)
2nd-nearest DR4 source 184981250 (10.6 arcs away)
3rd-nearest DR4 source 184981255 (11.7 arcs away)
Times observed12
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. 18.957 ± 0.047 18.153 ± 0.105 17.690 ± 0.055 17.478 ± 0.030
Petrosian mag. 18.591 ± 0.046 17.901 ± 0.031 17.423 ± 0.041 17.336 ± 0.103

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 20180718115326 18.934 ± 0.051 1,0 100 2
g 20200224174822 18.950 ± 0.073 1,0 100 2
r 20180718115528 18.100 ± 0.044 1,0 100 2
r 20180802115408 18.112 ± 0.049 1,0 100 2
i 20140626131016 17.689 ± 0.101 0,0 10 2
i 20150831085034 17.687 ± 0.072 1,0 100 2
i 20160420170134 17.404 ± 0.092 0,0 10 2
i 20180718120132 17.608 ± 0.053 1,0 100 2
z 20140626131048 17.469 ± 0.104 0,0 20 2
z 20160420170204 17.353 ± 0.11 0,0 20 2
z 20180315174748 17.462 ± 0.105 0,0 20 2
z 20180718120334 17.339 ± 0.060 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.49 2.04
GAIA source ID 4121972614734665216 4121972614746252928
Bp mag. 19.074 19.779
G mag. 18.354 19.759
Rp mag. 17.477 18.447
Bp/Rp excess 1.318 2.122
Parallax (mas) 0.147 ± 0.230 -- ± --
PM RA (mas/yr) -1.047 ± 0.237 -- ± --
PM Dec (mas/yr) -4.573 ± 0.159 -- ± --
A.E.N. (mas) 0.157 ± 0.191 4.489 ± 19.341

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r -- ± --
i -- ± --
z 17.425 ± 0.021
Y -- ± --
J 16.280 ± 0.012
H -- ± --
K 15.497 ± 0.022
W1 15.463 ± 0.024
W2 15.635 ± 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.