Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185152203 (SMSS J172720.34-201919.6)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.8347
Dec (deg)-20.3222
Galactic lon. (deg)5.0810
Galactic lat. (deg)8.1095
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185152202 (6.8 arcs away)
2nd-nearest DR4 source 185152195 (11.1 arcs away)
3rd-nearest DR4 source 185152200 (14.0 arcs away)
Times observed13
Total bad pixels0
Observing flags2

Magnitudes

Filter u v g r i z
PSF mag. — — 19.259 ± 0.119 18.400 ± 0.17 18.069 ± 0.068 17.843 ± 0.060
Petrosian mag. — — 18.887 ± 0.057 18.147 ± 0.171 17.707 ± 0.118 17.642 ± 0.109

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 19.376 ± 0.055 0,0 100 2
g 20190507143127 19.364 ± 0.067 0,0 100 2
g 20190822094124 19.512 ± 0.071 16,0 100 2
r 20190506165309 18.591 ± 0.053 0,0 100 2
r 20190507143327 18.621 ± 0.061 0,0 100 2
r 20190822094324 18.713 ± 0.066 16,0 100 2
i 20140729111202 18.166 ± 0.146 512,0 10 2
i 20150901084153 18.061 ± 0.060 2,0 100 2
i 20150901084554 17.994 ± 0.060 0,0 100 2
i 20190508164002 18.051 ± 0.074 0,0 100 2
i 20200513190610 18.156 ± 0.082 0,0 100 2
z 20140722114259 17.851 ± 0.138 0,0 20 2
z 20140729111235 17.911 ± 0.149 0,0 20 2
z 20150901084353 17.68 ± 0.070 0,0 100 2
z 20150901084754 17.796 ± 0.082 0,0 100 2
z 20190508164202 17.842 ± 0.093 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.54 1.61
GAIA source ID 4121255492647142784 4121255492601522560
Bp mag. 19.701 --
G mag. 18.926 19.650
Rp mag. 18.066 --
Bp/Rp excess 1.285 --
Parallax (mas) 0.977 ± 0.356 1.008 ± 0.665
PM RA (mas/yr) 2.068 ± 0.365 -3.958 ± 0.662
PM Dec (mas/yr) -1.585 ± 0.284 -5.933 ± 0.493
A.E.N. (mas) 0.461 ± 0.795 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.047 ± 0.008
i -- ± --
z -- ± --
Y -- ± --
J 16.9 ± 0.023
H -- ± --
K 16.319 ± 0.055
W1 16.088 ± 0.11
W2 16.205 ± 0.141
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.