Exposure
ID
GRAVI.2025-05-25T05:56:46.414_1
Header ID
GRAVI.2025-05-25T05:56:46.414
Date updated
2025-05-25 06:11:55 UTC+0000
Release date
2026-05-25 06:11:55 UTC+0000
UTC Start
2025-05-25 05:56:46.414
UTC End
2025-05-25 06:03:26.414
MJD Start
60820.24775942
MJD End
60820.25238904963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.007017
Ambient temperature (°C)
13.05
Seeing (arcsec)
0.41000000000000003
Observation
ID
67561
Category
science
Program ID
115.285N.001
Program Title
DO TERTIARY COMPANIONS AFFECT THE FORMATION AND EVOLUTION OF MASSIVE OVERCONTACT BINARY SYSTEMS?
Program Type
Normal
PI / COI
ABDUL-MASIH / FROST / DE MINK / TOONEN / MAHY / ESCORZA
Target
ID
50250
Name
Herschel36
RA
270.918013
DEC
-24.37858
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.5800 67.8360 267.7000 268.4000
K0-D0 95.0180 95.3310 246.9000 247.7000
K0-J3 56.4290 56.4780 329.2500 329.8810
G2-D0 39.8490 39.8910 209.9000 210.7000
G2-J3 64.1970 64.2940 37.0420 37.8700
D0-J3 103.8550 103.9940 34.3120 35.1380
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60820.24775942
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME NAME Her 36SE
HIERARCH ESO INS SOBJ NAME Herschel36
RA 270.918013
DEC -24.37858
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 67.58
HIERARCH ESO ISS PBL12 END 67.836
HIERARCH ESO ISS PBLA12 START 267.7
HIERARCH ESO ISS PBLA12 END 268.4
HIERARCH ESO ISS PBL13 START 95.018
HIERARCH ESO ISS PBL13 END 95.331
HIERARCH ESO ISS PBLA13 START 246.9
HIERARCH ESO ISS PBLA13 END 247.7
HIERARCH ESO ISS PBL14 START 56.429
HIERARCH ESO ISS PBL14 END 56.478
HIERARCH ESO ISS PBLA14 START 329.25
HIERARCH ESO ISS PBLA14 END 329.881
HIERARCH ESO ISS PBL23 START 39.849
HIERARCH ESO ISS PBL23 END 39.891
HIERARCH ESO ISS PBLA23 START 209.9
HIERARCH ESO ISS PBLA23 END 210.7
HIERARCH ESO ISS PBL24 START 64.197
HIERARCH ESO ISS PBL24 END 64.294
HIERARCH ESO ISS PBLA24 START 37.042
HIERARCH ESO ISS PBLA24 END 37.87
HIERARCH ESO ISS PBL34 START 103.855
HIERARCH ESO ISS PBL34 END 103.994
HIERARCH ESO ISS PBLA34 START 34.312
HIERARCH ESO ISS PBLA34 END 35.138
HIERARCH ESO ISS AMBI TAU0 START 0.007017
HIERARCH ESO ISS AMBI TAU0 END 0.007017
HIERARCH ESO ISS AMBI TEMP 13.05
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.4