Exposure
ID
GRAVI.2025-10-04T00:59:09.471_1
Header ID
GRAVI.2025-10-04T00:59:09.471
Date updated
2025-10-04 01:10:49 UTC+0000
Release date
2026-10-04 01:10:49 UTC+0000
UTC Start
2025-10-04 00:59:09.471
UTC End
2025-10-04 01:01:49.471
MJD Start
60952.04108184
MJD End
60952.04293369185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003343
Ambient temperature (°C)
12.45
Seeing (arcsec)
0.61
Observation
ID
70605
Category
science
Program ID
116.28ZD.003
Program Title
DO SOME HOT SUBDWARF BINARIES DESCEND FROM HIERARCHICAL TRIPLES? NEW INSIGHTS FROM INTERFEROMETRY
Program Type
Normal
PI / COI
DESHMUKH / GEIER / SANA / DAWSON / DORSCH / HEBER / KUPFER
Target
ID
52365
Name
GALEX_J222758.5+2006
RA
336.995609
DEC
20.10632
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 37.2080 37.4280 25.7000 26.1000
U1-U3 68.0730 68.6000 35.2000 35.6000
U1-U4 102.6800 103.5760 71.3800 71.2970
U2-U3 31.9860 32.2780 46.4000 46.6000
U2-U4 81.1990 81.6390 90.5360 90.2820
U3-U4 62.3720 62.4070 111.4710 111.2070
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZD.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60952.04108184
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME GALEX J222758.5+200623
HIERARCH ESO INS SOBJ NAME GALEX_J222758.5+2006
RA 336.995609
DEC 20.10632
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 37.208
HIERARCH ESO ISS PBL12 END 37.428
HIERARCH ESO ISS PBLA12 START 25.7
HIERARCH ESO ISS PBLA12 END 26.1
HIERARCH ESO ISS PBL13 START 68.073
HIERARCH ESO ISS PBL13 END 68.6
HIERARCH ESO ISS PBLA13 START 35.2
HIERARCH ESO ISS PBLA13 END 35.6
HIERARCH ESO ISS PBL14 START 102.68
HIERARCH ESO ISS PBL14 END 103.576
HIERARCH ESO ISS PBLA14 START 71.38
HIERARCH ESO ISS PBLA14 END 71.297
HIERARCH ESO ISS PBL23 START 31.986
HIERARCH ESO ISS PBL23 END 32.278
HIERARCH ESO ISS PBLA23 START 46.4
HIERARCH ESO ISS PBLA23 END 46.6
HIERARCH ESO ISS PBL24 START 81.199
HIERARCH ESO ISS PBL24 END 81.639
HIERARCH ESO ISS PBLA24 START 90.536
HIERARCH ESO ISS PBLA24 END 90.282
HIERARCH ESO ISS PBL34 START 62.372
HIERARCH ESO ISS PBL34 END 62.407
HIERARCH ESO ISS PBLA34 START 111.471
HIERARCH ESO ISS PBLA34 END 111.207
HIERARCH ESO ISS AMBI TAU0 START 0.003343
HIERARCH ESO ISS AMBI TAU0 END 0.003343
HIERARCH ESO ISS AMBI TEMP 12.45
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.58