Exposure
ID
GRAVI.2025-11-03T06:32:22.567_1
Header ID
GRAVI.2025-11-03T06:32:22.567
Date updated
2025-11-03 06:46:05 UTC+0000
Release date
2026-11-03 06:46:05 UTC+0000
UTC Start
2025-11-03 06:32:22.567
UTC End
2025-11-03 06:36:22.567
MJD Start
60982.27248342
MJD End
60982.27526119778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0030794999999999998
Ambient temperature (°C)
10.35
Seeing (arcsec)
0.87
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 88.7650 89.0530 112.7000 112.7000
A0-J2 121.5370 122.3270 90.3000 90.4000
A0-K0 115.7790 116.6930 67.3930 67.6990
G1-J2 51.9710 52.3370 49.7000 50.2000
G1-K0 82.6360 82.8440 17.6040 18.1690
J2-K0 47.4810 47.4200 342.0240 342.3710
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 60982.27248342
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 88.765
HIERARCH ESO ISS PBL12 END 89.053
HIERARCH ESO ISS PBLA12 START 112.7
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 121.537
HIERARCH ESO ISS PBL13 END 122.327
HIERARCH ESO ISS PBLA13 START 90.3
HIERARCH ESO ISS PBLA13 END 90.4
HIERARCH ESO ISS PBL14 START 115.779
HIERARCH ESO ISS PBL14 END 116.693
HIERARCH ESO ISS PBLA14 START 67.393
HIERARCH ESO ISS PBLA14 END 67.699
HIERARCH ESO ISS PBL23 START 51.971
HIERARCH ESO ISS PBL23 END 52.337
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 82.636
HIERARCH ESO ISS PBL24 END 82.844
HIERARCH ESO ISS PBLA24 START 17.604
HIERARCH ESO ISS PBLA24 END 18.169
HIERARCH ESO ISS PBL34 START 47.481
HIERARCH ESO ISS PBL34 END 47.42
HIERARCH ESO ISS PBLA34 START 342.024
HIERARCH ESO ISS PBLA34 END 342.371
HIERARCH ESO ISS AMBI TAU0 START 0.00281
HIERARCH ESO ISS AMBI TAU0 END 0.003349
HIERARCH ESO ISS AMBI TEMP 10.35
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.92