Exposure
ID
GRAVI.2025-10-12T06:32:07.623_1
Header ID
GRAVI.2025-10-12T06:32:07.623
Date updated
2025-10-12 06:45:38 UTC+0000
Release date
2026-10-12 06:45:38 UTC+0000
UTC Start
2025-10-12 06:32:07.623
UTC End
2025-10-12 06:36:07.623
MJD Start
60960.27231045
MJD End
60960.275088227776
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.01285
Ambient temperature (°C)
12.29
Seeing (arcsec)
0.71
Observation
ID
70907
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
52615
Name
HD_41335
RA
91.05511
DEC
-6.70893
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.1350 48.2120 142.8000 142.8000
A0-J2 96.8530 98.4210 87.5000 87.7000
A0-J6 149.4850 149.6100 4.5030 5.1950
B5-J2 79.9140 81.1390 57.8000 58.5000
B5-J6 188.1480 188.0290 354.6970 355.2340
J2-J6 167.8880 167.9300 329.5790 329.6800
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 60960.27231045
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 41335
HIERARCH ESO INS SOBJ NAME HD_41335
RA 91.05511
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 48.135
HIERARCH ESO ISS PBL12 END 48.212
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.8
HIERARCH ESO ISS PBL13 START 96.853
HIERARCH ESO ISS PBL13 END 98.421
HIERARCH ESO ISS PBLA13 START 87.5
HIERARCH ESO ISS PBLA13 END 87.7
HIERARCH ESO ISS PBL14 START 149.485
HIERARCH ESO ISS PBL14 END 149.61
HIERARCH ESO ISS PBLA14 START 4.503
HIERARCH ESO ISS PBLA14 END 5.195
HIERARCH ESO ISS PBL23 START 79.914
HIERARCH ESO ISS PBL23 END 81.139
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 188.148
HIERARCH ESO ISS PBL24 END 188.029
HIERARCH ESO ISS PBLA24 START 354.697
HIERARCH ESO ISS PBLA24 END 355.234
HIERARCH ESO ISS PBL34 START 167.888
HIERARCH ESO ISS PBL34 END 167.93
HIERARCH ESO ISS PBLA34 START 329.579
HIERARCH ESO ISS PBLA34 END 329.68
HIERARCH ESO ISS AMBI TAU0 START 0.011611
HIERARCH ESO ISS AMBI TAU0 END 0.014089
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.61