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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2268053148 (SMSS J172718.27-204932.1)

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Data releaseDR4
RA (deg)261.8262
Dec (deg)-20.8256
Galactic lon. (deg)4.6502
Galactic lat. (deg)7.8421
E(B-V) (SFD98) (mag)0.983
E(B-V) (GNILC) (mag)0.903 ± 0.044
Nearest DR4 source 179821077 (3.6 arcs away)
2nd-nearest DR4 source 179821176 (5.1 arcs away)
3rd-nearest DR4 source 179821177 (7.1 arcs away)
Times observed0
Total bad pixels0
Observing flags16

Magnitudes

Filter u v g r i z
PSF mag. — — — — — 17.349 ± --
Petrosian mag. — — — — — 17.494 ± --

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)
z 20190505170726 17.667 ± 0.073 16,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 1.21 2.15
GAIA source ID 4121011332320178176 4121011332320175616
Bp mag. 21.011 --
G mag. 20.180 20.657
Rp mag. 19.204 --
Bp/Rp excess 1.372 --
Parallax (mas) 0.728 ± 0.648 -0.881 ± 1.341
PM RA (mas/yr) -0.457 ± 0.769 -1.523 ± 1.998
PM Dec (mas/yr) -6.306 ± 0.550 -4.782 ± 1.168
A.E.N. (mas) 1.830 ± 1.965 2.806 ± 1.409

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 21.328 ± 0.027
r 20.136 ± 0.011
i 19.462 ± 0.022
z 19.032 ± 0.025
Y -- ± --
J 17.648 ± 0.050
H -- ± --
K 16.951 ± 0.091
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.