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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2275599626 (SMSS J172115.96-201419.9)

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Data releaseDR4
RA (deg)260.3165
Dec (deg)-20.2389
Galactic lon. (deg)4.3611
Galactic lat. (deg)9.3459
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 184980997 (6.3 arcs away)
2nd-nearest DR4 source 2275599625 (7.4 arcs away)
3rd-nearest DR4 source 184981255 (9.6 arcs away)
Times observed1
Total bad pixels0
Observing flags19

Magnitudes

Filter u v g r i z
PSF mag. 18.984 ± 0.033 18.495 ± --
Petrosian mag. 19.125 ± 0.114 18.361 ± --

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)
r 20180802115408 18.955 ± 0.072 3,0 100 2
i 20180718120132 18.520 ± 0.078 16,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.31 2.53
GAIA source ID 4121972614698476672 4121972408579195648
Bp mag. 19.592 --
G mag. 19.352 20.922
Rp mag. 18.179 --
Bp/Rp excess 1.821 --
Parallax (mas) -- ± -- -- ± --
PM RA (mas/yr) -- ± -- -- ± --
PM Dec (mas/yr) -- ± -- -- ± --
A.E.N. (mas) 7.494 ± 138.231 6.288 ± 2.735

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.832 ± 0.008
r 19.017 ± 0.004
i 18.634 ± 0.010
z 18.442 ± 0.011
Y -- ± --
J 17.138 ± 0.026
H -- ± --
K 16.462 ± 0.053
W1 -- ± --
W2 -- ± --
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.