Exposure
ID
GRAVI.2025-10-27T07:08:40.389_1
Header ID
GRAVI.2025-10-27T07:08:40.389
Date updated
2025-10-27 07:20:43 UTC+0000
Release date
2026-10-27 07:20:42 UTC+0000
UTC Start
2025-10-27 07:08:40.389
UTC End
2025-10-27 07:12:40.389
MJD Start
60975.29768969
MJD End
60975.30046746778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0029259999999999998
Ambient temperature (°C)
12.56
Seeing (arcsec)
0.9450000000000001
Observation
ID
71016
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
52700
Name
HD_41335
RA
91.053992
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 89.3310 89.5660 112.8000 112.9000
A0-J2 123.1220 123.8260 90.6000 90.7000
A0-K0 117.6290 118.4760 68.0220 68.3110
G1-J2 52.7170 53.0660 50.7000 51.1000
G1-K0 83.0680 83.2820 18.7700 19.3230
J2-K0 47.3550 47.2940 342.7570 343.1230
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 60975.29768969
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 41335
HIERARCH ESO INS SOBJ NAME HD_41335
RA 91.053992
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 89.331
HIERARCH ESO ISS PBL12 END 89.566
HIERARCH ESO ISS PBLA12 START 112.8
HIERARCH ESO ISS PBLA12 END 112.9
HIERARCH ESO ISS PBL13 START 123.122
HIERARCH ESO ISS PBL13 END 123.826
HIERARCH ESO ISS PBLA13 START 90.6
HIERARCH ESO ISS PBLA13 END 90.7
HIERARCH ESO ISS PBL14 START 117.629
HIERARCH ESO ISS PBL14 END 118.476
HIERARCH ESO ISS PBLA14 START 68.022
HIERARCH ESO ISS PBLA14 END 68.311
HIERARCH ESO ISS PBL23 START 52.717
HIERARCH ESO ISS PBL23 END 53.066
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 51.1
HIERARCH ESO ISS PBL24 START 83.068
HIERARCH ESO ISS PBL24 END 83.282
HIERARCH ESO ISS PBLA24 START 18.77
HIERARCH ESO ISS PBLA24 END 19.323
HIERARCH ESO ISS PBL34 START 47.355
HIERARCH ESO ISS PBL34 END 47.294
HIERARCH ESO ISS PBLA34 START 342.757
HIERARCH ESO ISS PBLA34 END 343.123
HIERARCH ESO ISS AMBI TAU0 START 0.002797
HIERARCH ESO ISS AMBI TAU0 END 0.003055
HIERARCH ESO ISS AMBI TEMP 12.56
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 1.02