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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2268034280 (SMSS J172458.77-204601.6)

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Data releaseDR4
RA (deg)261.245
Dec (deg)-20.767
Galactic lon. (deg)4.400
Galactic lat. (deg)8.329
E(B-V) (SFD98) (mag)0.732
E(B-V) (GNILC) (mag)0.644 ± 0.028
Nearest DR4 source 179803067 (2.2 arcs away)
2nd-nearest DR4 source 2268034286 (2.6 arcs away)
3rd-nearest DR4 source 179803072 (5.9 arcs away)
Times observed17
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 15.932 ± 0.231 15.144 ± 0.191 14.480 ± 0.140 14.273 ± 0.147
Petrosian mag. — — 15.739 ± 0.019 14.829 ± 0.012 14.066 ± 0.060 13.698 ± 0.023

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 20190505165725 17.677 ± 0.026 3,0 100 2
g 20190507143127 17.622 ± 0.025 3,0 100 2
g 20190822094124 17.455 ± 0.033 3,0 100 2
r 20190505165926 16.506 ± 0.032 3,0 100 2
r 20190506165309 16.499 ± 0.024 3,0 100 2
r 20190507143327 16.465 ± 0.029 3,0 100 2
r 20190822094324 16.353 ± 0.031 3,0 100 2
i 20140719115004 15.441 ± 0.027 3,0 10 2
i 20150901084153 15.618 ± 0.028 3,0 100 2
i 20150901084554 15.643 ± 0.027 3,0 100 2
i 20180804082838 15.525 ± 0.027 3,0 100 2
i 20190505170526 15.521 ± 0.028 3,0 100 2
i 20190509140533 15.524 ± 0.034 8195,0 100 2
i 20190720124743 15.498 ± 0.051 3,0 100 2
i 20200513170714 15.491 ± 0.031 8195,0 100 2
z 20140719115035 14.829 ± 0.028 3,0 20 2
z 20150901084353 14.951 ± 0.027 3,0 100 2
z 20150901084754 14.962 ± 0.027 3,0 100 2
z 20190720124943 14.876 ± 0.049 3,0 100 2
z 20200513183957 14.862 ± 0.038 19,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 1.88 2.15
GAIA source ID 4121124685079867264 4121124685083879296
Bp mag. 20.418 21.520
G mag. 20.101 20.644
Rp mag. 18.991 19.179
Bp/Rp excess 1.712 1.945
Parallax (mas) -0.307 ± 0.587 0.022 ± 1.536
PM RA (mas/yr) -4.758 ± 0.808 1.223 ± 2.206
PM Dec (mas/yr) -4.257 ± 0.541 -1.053 ± 1.968
A.E.N. (mas) 1.438 ± 1.441 0.747 ± 0.110

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.876 ± 0.023
r 20.015 ± 0.007
i 19.540 ± 0.035
z 19.052 ± 0.033
Y -- ± --
J 17.735 ± 0.046
H -- ± --
K 17.011 ± 0.084
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.