Exposure
ID
GRAVI.2025-11-27T05:54:05.357_1
Header ID
GRAVI.2025-11-27T05:54:05.357
Date updated
2025-11-27 06:06:34 UTC+0000
Release date
2026-11-27 06:06:34 UTC+0000
UTC Start
2025-11-27 05:54:05.357
UTC End
2025-11-27 05:58:05.357
MJD Start
61006.24589533
MJD End
61006.24867310778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0040295
Ambient temperature (°C)
15.23
Seeing (arcsec)
0.39
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 47.5560 47.4540 148.1000 148.4000
A0-J2 128.5460 128.7700 91.9000 92.0000
A0-J6 160.4420 160.8630 24.4310 24.8820
B5-J2 109.4680 109.8630 70.7000 70.9000
B5-J6 190.9470 191.2120 12.4660 12.9430
J2-J6 162.6540 162.3560 337.5490 337.9300
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 61006.24589533
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 47.556
HIERARCH ESO ISS PBL12 END 47.454
HIERARCH ESO ISS PBLA12 START 148.1
HIERARCH ESO ISS PBLA12 END 148.4
HIERARCH ESO ISS PBL13 START 128.546
HIERARCH ESO ISS PBL13 END 128.77
HIERARCH ESO ISS PBLA13 START 91.9
HIERARCH ESO ISS PBLA13 END 92.0
HIERARCH ESO ISS PBL14 START 160.442
HIERARCH ESO ISS PBL14 END 160.863
HIERARCH ESO ISS PBLA14 START 24.431
HIERARCH ESO ISS PBLA14 END 24.882
HIERARCH ESO ISS PBL23 START 109.468
HIERARCH ESO ISS PBL23 END 109.863
HIERARCH ESO ISS PBLA23 START 70.7
HIERARCH ESO ISS PBLA23 END 70.9
HIERARCH ESO ISS PBL24 START 190.947
HIERARCH ESO ISS PBL24 END 191.212
HIERARCH ESO ISS PBLA24 START 12.466
HIERARCH ESO ISS PBLA24 END 12.943
HIERARCH ESO ISS PBL34 START 162.654
HIERARCH ESO ISS PBL34 END 162.356
HIERARCH ESO ISS PBLA34 START 337.549
HIERARCH ESO ISS PBLA34 END 337.93
HIERARCH ESO ISS AMBI TAU0 START 0.003693
HIERARCH ESO ISS AMBI TAU0 END 0.004366
HIERARCH ESO ISS AMBI TEMP 15.23
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.41