Exposure
ID
GRAVI.2025-11-11T04:57:01.030_1
Header ID
GRAVI.2025-11-11T04:57:01.030
Date updated
2025-11-11 05:05:53 UTC+0000
Release date
2025-11-11 04:57:01 UTC+0000
UTC Start
2025-11-11 04:57:01.030
UTC End
2025-11-11 04:59:41.030
MJD Start
60990.20626192
MJD End
60990.208113771856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0038634999999999997
Ambient temperature (°C)
13.98
Seeing (arcsec)
0.54
Observation
ID
71453
Category
calibrator
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
53067
Name
BSD_47-534
RA
52.960341
DEC
31.25874
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 38.1980 38.4960 41.3000 41.4000
U1-U3 74.0250 74.5980 48.6000 48.6000
U1-U4 119.6140 120.1380 71.9310 71.6360
U2-U3 36.4570 36.7170 56.2000 56.1000
U2-U4 88.8970 88.9970 84.5750 84.2040
U3-U4 59.3980 59.1890 101.5280 101.1910
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZD.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60990.20626192
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME BSD 47-534
HIERARCH ESO INS SOBJ NAME BSD_47-534
RA 52.960341
DEC 31.25874
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 38.198
HIERARCH ESO ISS PBL12 END 38.496
HIERARCH ESO ISS PBLA12 START 41.3
HIERARCH ESO ISS PBLA12 END 41.4
HIERARCH ESO ISS PBL13 START 74.025
HIERARCH ESO ISS PBL13 END 74.598
HIERARCH ESO ISS PBLA13 START 48.6
HIERARCH ESO ISS PBLA13 END 48.6
HIERARCH ESO ISS PBL14 START 119.614
HIERARCH ESO ISS PBL14 END 120.138
HIERARCH ESO ISS PBLA14 START 71.931
HIERARCH ESO ISS PBLA14 END 71.636
HIERARCH ESO ISS PBL23 START 36.457
HIERARCH ESO ISS PBL23 END 36.717
HIERARCH ESO ISS PBLA23 START 56.2
HIERARCH ESO ISS PBLA23 END 56.1
HIERARCH ESO ISS PBL24 START 88.897
HIERARCH ESO ISS PBL24 END 88.997
HIERARCH ESO ISS PBLA24 START 84.575
HIERARCH ESO ISS PBLA24 END 84.204
HIERARCH ESO ISS PBL34 START 59.398
HIERARCH ESO ISS PBL34 END 59.189
HIERARCH ESO ISS PBLA34 START 101.528
HIERARCH ESO ISS PBLA34 END 101.191
HIERARCH ESO ISS AMBI TAU0 START 0.003639
HIERARCH ESO ISS AMBI TAU0 END 0.004088
HIERARCH ESO ISS AMBI TEMP 13.98
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54