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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185161979 (SMSS J172723.52-200444.5)

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Data releaseDR4
RA (deg)261.8480
Dec (deg)-20.0791
Galactic lon. (deg)5.2940
Galactic lat. (deg)8.2312
E(B-V) (SFD98) (mag)0.943
E(B-V) (GNILC) (mag)0.721 ± 0.032
Nearest DR4 source 185161977 (11.4 arcs away)
2nd-nearest DR4 source 185161984 (11.5 arcs away)
3rd-nearest DR4 source 185161987 (12.1 arcs away)
Times observed14
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 19.797 ± 0.051 19.023 ± 0.041 18.274 ± 0.035 17.85 ± 0.023
Petrosian mag. — — 19.889 ± 0.079 18.978 ± 0.057 18.380 ± 0.061 17.865 ± 0.121

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 19.838 ± 0.090 0,0 100 2
g 20190506165109 19.852 ± 0.078 0,0 100 2
r 20140729111131 19.085 ± 0.262 512,0 5 2
r 20190505165926 19.078 ± 0.092 0,0 100 2
r 20190506165309 19.063 ± 0.073 0,0 100 2
r 20190507143327 19.115 ± 0.084 0,0 100 2
r 20190822094324 19.081 ± 0.083 0,0 100 2
i 20140729111202 18.245 ± 0.155 0,0 10 2
i 20150901084153 18.376 ± 0.075 0,0 100 2
i 20150901084554 18.332 ± 0.076 0,0 100 2
i 20190505170526 18.253 ± 0.077 16,0 100 2
i 20190508164002 18.337 ± 0.092 16,0 100 2
i 20190720124743 18.354 ± 0.102 0,0 100 2
z 20140722114259 17.969 ± 0.153 0,0 20 2
z 20140729111235 17.853 ± 0.142 0,0 20 2
z 20150901084353 17.972 ± 0.088 0,0 100 2
z 20150901084754 17.890 ± 0.089 0,0 100 2
z 20190505170726 18.057 ± 0.112 16,0 100 2
z 20190508164202 17.977 ± 0.104 16,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.23 1.34
GAIA source ID 4121272633804147456 4121272638120766208
Bp mag. 19.824 --
G mag. 18.864 20.490
Rp mag. 17.962 --
Bp/Rp excess 1.265 --
Parallax (mas) -0.115 ± 0.234 0.575 ± 1.098
PM RA (mas/yr) 0.255 ± 0.272 2.974 ± 1.465
PM Dec (mas/yr) -5.768 ± 0.193 -1.900 ± 0.984
A.E.N. (mas) 0.289 ± 0.382 1.254 ± 0.388

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.906 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 16.556 ± 0.017
H -- ± --
K 15.842 ± 0.035
W1 15.54 ± 0.026
W2 15.651 ± 0.06
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.