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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179831499 (SMSS J172535.47-203504.5)

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Data releaseDR4
RA (deg)261.3977
Dec (deg)-20.5846
Galactic lon. (deg)4.6331
Galactic lat. (deg)8.3095
E(B-V) (SFD98) (mag)0.622
E(B-V) (GNILC) (mag)0.484 ± 0.022
Nearest DR4 source 179831498 (7.6 arcs away)
2nd-nearest DR4 source 179831502 (11.2 arcs away)
3rd-nearest DR4 source 179831497 (11.8 arcs away)
Times observed9
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. 19.271 ± 0.264 18.602 ± 0.119 17.821 ± 0.237 17.863 ± 0.176
Petrosian mag. 18.767 ± 0.096 17.987 ± 0.050 17.434 ± 0.297 17.456 ± 0.096

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)
g 20190506165109 19.531 ± 0.063 1,0 100 2
r 20190505165926 18.854 ± 0.070 1,0 100 2
r 20190506165309 18.834 ± 0.063 1,0 100 2
r 20190507143327 18.788 ± 0.071 1,0 100 2
r 20190822094324 18.802 ± 0.066 1,0 100 2
i 20150901084153 18.183 ± 0.065 1,0 100 2
i 20190505170526 18.172 ± 0.065 1,0 100 2
z 20150901084353 18.068 ± 0.096 1,0 100 2
z 20190505170726 17.967 ± 0.095 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.35 1.81
GAIA source ID 4121221716959735040 4121221716975514240
Bp mag. 19.677 --
G mag. 18.958 21.317
Rp mag. 18.112 --
Bp/Rp excess 1.291 --
Parallax (mas) 0.154 ± 0.229 -- ± --
PM RA (mas/yr) 0.420 ± 0.291 -- ± --
PM Dec (mas/yr) -6.031 ± 0.201 -- ± --
A.E.N. (mas) 0.0 ± 0.000 5.860 ± 1.772

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.645 ± 0.010
r 18.778 ± 0.004
i 18.382 ± 0.011
z 18.319 ± 0.012
Y -- ± --
J 16.996 ± 0.023
H -- ± --
K 16.385 ± 0.048
W1 15.592 ± 0.077
W2 15.641 ± 0.11
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.