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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2268083618 (SMSS J172717.88-204000.4)

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Data releaseDR4
RA (deg)261.825
Dec (deg)-20.667
Galactic lon. (deg)4.784
Galactic lat. (deg)7.930
E(B-V) (SFD98) (mag)0.764
E(B-V) (GNILC) (mag)0.592 ± 0.031
Nearest DR4 source 1212926535 (2.5 arcs away)
2nd-nearest DR4 source 179849051 (3.1 arcs away)
3rd-nearest DR4 source 179849052 (3.9 arcs away)
Times observed1
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — — 18.195 ± 0.124 — —
Petrosian mag. — — — 18.235 ± 0.239 — —

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 20140729111131 18.194 ± 0.113 3,0 5 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.07 2.81
GAIA source ID 4121026721163324032 4121026725489931904
Bp mag. 19.195 --
G mag. 18.307 20.839
Rp mag. 17.352 --
Bp/Rp excess 1.335 --
Parallax (mas) -0.064 ± 0.156 -- ± --
PM RA (mas/yr) -5.966 ± 0.185 -- ± --
PM Dec (mas/yr) -4.712 ± 0.130 -- ± --
A.E.N. (mas) 0.158 ± 0.231 2.043 ± 0.342

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.437 ± 0.012
r 18.415 ± 0.006
i 17.862 ± 0.008
z 17.533 ± 0.008
Y -- ± --
J 15.931 ± 0.011
H -- ± --
K 15.124 ± 0.017
W1 14.048 ± 0.014
W2 14.391 ± 0.023
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.