Exposure
ID
GRAVI.2025-12-15T04:08:32.673_1
Header ID
GRAVI.2025-12-15T04:08:32.673
Date updated
2025-12-15 04:21:49 UTC+0000
Release date
2026-12-15 04:21:49 UTC+0000
UTC Start
2025-12-15 04:08:32.673
UTC End
2025-12-15 04:12:32.673
MJD Start
61024.17260038
MJD End
61024.17537815778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0042380000000000004
Ambient temperature (°C)
9.73
Seeing (arcsec)
0.67
Observation
ID
72297
Category
science
Program ID
116.28L4.001
Program Title
DETERMINING PRECISE DYNAMICAL MASSES OF A UNIQUE BE + SDO SYSTEM TO CALIBRATE THE PHYSICS OF BINARY MASS TRANSFER
Program Type
Normal
PI / COI
KLEMENT / RIVINIUS / DE MINK / LECHIEN
Target
ID
53700
Name
HD_41335
RA
91.053991
DEC
-6.70893
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.9480 90.1050 113.0000 113.1000
A0-J2 125.0760 125.6550 90.9000 91.0000
A0-K0 120.0300 120.7770 68.8440 69.1060
G1-J2 53.7190 54.0410 51.9000 52.3000
G1-K0 83.7100 83.9310 20.3730 20.9000
J2-K0 47.1760 47.1150 343.8510 344.2340
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28L4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61024.17260038
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 41335
HIERARCH ESO INS SOBJ NAME HD_41335
RA 91.053991
DEC -6.70893
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 89.948
HIERARCH ESO ISS PBL12 END 90.105
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.1
HIERARCH ESO ISS PBL13 START 125.076
HIERARCH ESO ISS PBL13 END 125.655
HIERARCH ESO ISS PBLA13 START 90.9
HIERARCH ESO ISS PBLA13 END 91.0
HIERARCH ESO ISS PBL14 START 120.03
HIERARCH ESO ISS PBL14 END 120.777
HIERARCH ESO ISS PBLA14 START 68.844
HIERARCH ESO ISS PBLA14 END 69.106
HIERARCH ESO ISS PBL23 START 53.719
HIERARCH ESO ISS PBL23 END 54.041
HIERARCH ESO ISS PBLA23 START 51.9
HIERARCH ESO ISS PBLA23 END 52.3
HIERARCH ESO ISS PBL24 START 83.71
HIERARCH ESO ISS PBL24 END 83.931
HIERARCH ESO ISS PBLA24 START 20.373
HIERARCH ESO ISS PBLA24 END 20.9
HIERARCH ESO ISS PBL34 START 47.176
HIERARCH ESO ISS PBL34 END 47.115
HIERARCH ESO ISS PBLA34 START 343.851
HIERARCH ESO ISS PBLA34 END 344.234
HIERARCH ESO ISS AMBI TAU0 START 0.004316
HIERARCH ESO ISS AMBI TAU0 END 0.00416
HIERARCH ESO ISS AMBI TEMP 9.73
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.68