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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 1212878922 (SMSS J172457.78-204517.2)

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Data releaseDR4
RA (deg)261.241
Dec (deg)-20.755
Galactic lon. (deg)4.408
Galactic lat. (deg)8.339
E(B-V) (SFD98) (mag)0.732
E(B-V) (GNILC) (mag)0.628 ± 0.029
Nearest DR4 source 1212878921 (2.8 arcs away)
2nd-nearest DR4 source 179803087 (4.2 arcs away)
3rd-nearest DR4 source 179803093 (5.3 arcs away)
Times observed1
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — — — 14.878 ± 0.483 —
Petrosian mag. — — — — 14.495 ± 0.035 —

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)
i 20190720124743 18.750 ± 0.118 3,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.62 2.07
GAIA source ID 4121124891235251200 4121124685079899008
Bp mag. 20.520 20.663
G mag. 19.979 20.023
Rp mag. 19.056 18.924
Bp/Rp excess 1.425 1.561
Parallax (mas) -0.085 ± 0.562 0.115 ± 0.532
PM RA (mas/yr) -5.891 ± 0.703 -1.434 ± 0.704
PM Dec (mas/yr) -0.875 ± 0.453 -3.855 ± 0.473
A.E.N. (mas) 0.0 ± 0.0 1.006 ± 0.786

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 21.216 ± 0.031
r 20.205 ± 0.015
i 19.797 ± 0.038
z 19.485 ± 0.045
Y -- ± --
J 18.041 ± 0.061
H -- ± --
K 17.448 ± 0.125
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.