Exposure
ID
GRAVI.2025-10-04T00:55:57.463_1
Header ID
GRAVI.2025-10-04T00:55:57.463
Date updated
2025-10-04 01:05:35 UTC+0000
Release date
2026-10-04 01:05:35 UTC+0000
UTC Start
2025-10-04 00:55:57.463
UTC End
2025-10-04 00:58:37.463
MJD Start
60952.03885953
MJD End
60952.04071138186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003398
Ambient temperature (°C)
12.48
Seeing (arcsec)
0.65
Observation
ID
70604
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
52364
Name
GALEX_J222758.5+2006
RA
336.995615
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 36.9670 37.1820 25.1000 25.6000
U1-U3 67.4950 68.0130 34.8000 35.2000
U1-U4 101.6750 102.5760 71.4680 71.3900
U2-U3 31.6630 31.9530 46.1000 46.3000
U2-U4 80.7000 81.1480 90.8170 90.5650
U3-U4 62.3240 62.3670 111.7660 111.5010
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 60952.03885953
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 336.995615
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 36.967
HIERARCH ESO ISS PBL12 END 37.182
HIERARCH ESO ISS PBLA12 START 25.1
HIERARCH ESO ISS PBLA12 END 25.6
HIERARCH ESO ISS PBL13 START 67.495
HIERARCH ESO ISS PBL13 END 68.013
HIERARCH ESO ISS PBLA13 START 34.8
HIERARCH ESO ISS PBLA13 END 35.2
HIERARCH ESO ISS PBL14 START 101.675
HIERARCH ESO ISS PBL14 END 102.576
HIERARCH ESO ISS PBLA14 START 71.468
HIERARCH ESO ISS PBLA14 END 71.39
HIERARCH ESO ISS PBL23 START 31.663
HIERARCH ESO ISS PBL23 END 31.953
HIERARCH ESO ISS PBLA23 START 46.1
HIERARCH ESO ISS PBLA23 END 46.3
HIERARCH ESO ISS PBL24 START 80.7
HIERARCH ESO ISS PBL24 END 81.148
HIERARCH ESO ISS PBLA24 START 90.817
HIERARCH ESO ISS PBLA24 END 90.565
HIERARCH ESO ISS PBL34 START 62.324
HIERARCH ESO ISS PBL34 END 62.367
HIERARCH ESO ISS PBLA34 START 111.766
HIERARCH ESO ISS PBLA34 END 111.501
HIERARCH ESO ISS AMBI TAU0 START 0.003453
HIERARCH ESO ISS AMBI TAU0 END 0.003343
HIERARCH ESO ISS AMBI TEMP 12.48
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.64