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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 1218898700 (SMSS J172130.56-193959.3)

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Data releaseDR4
RA (deg)260.3773
Dec (deg)-19.6664
Galactic lon. (deg)4.8769
Galactic lat. (deg)9.6144
E(B-V) (SFD98) (mag)0.493
E(B-V) (GNILC) (mag)0.451 ± 0.018
Nearest DR4 source 2275658047 (2.6 arcs away)
2nd-nearest DR4 source 1218898699 (4.2 arcs away)
3rd-nearest DR4 source 185018360 (6.9 arcs away)
Times observed2
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — — 19.547 ± 0.021 18.982 ± 0.055 —
Petrosian mag. — — — 19.598 ± 0.124 19.250 ± 0.188 —

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 20180718115528 19.543 ± 0.089 3,0 100 2
i 20180718120132 19.004 ± 0.108 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.12 2.02
GAIA source ID 4122136167057355392 4122136167064001920
Bp mag. 20.117 --
G mag. 19.442 20.903
Rp mag. 18.690 --
Bp/Rp excess 1.231 --
Parallax (mas) 0.463 ± 0.352 -- ± --
PM RA (mas/yr) -7.049 ± 0.506 -- ± --
PM Dec (mas/yr) -2.730 ± 0.361 -- ± --
A.E.N. (mas) 0.296 ± 0.157 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.255 ± 0.023
r 19.567 ± 0.010
i -- ± --
z -- ± --
Y -- ± --
J 17.628 ± 0.040
H -- ± --
K 17.046 ± 0.089
W1 16.305 ± 0.047
W2 16.383 ± 0.108
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.