Exposure
ID
GRAVI.2025-10-12T06:27:34.611_1
Header ID
GRAVI.2025-10-12T06:27:34.611
Date updated
2025-10-12 06:40:55 UTC+0000
Release date
2026-10-12 06:40:55 UTC+0000
UTC Start
2025-10-12 06:27:34.611
UTC End
2025-10-12 06:31:34.611
MJD Start
60960.26915059
MJD End
60960.27192836778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.011914000000000001
Ambient temperature (°C)
12.25
Seeing (arcsec)
0.78
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 48.0460 48.1290 142.8000 142.8000
A0-J2 95.1390 96.7360 87.3000 87.5000
A0-J6 149.3700 149.4760 3.7590 4.4520
B5-J2 78.5920 79.8230 57.1000 57.8000
B5-J6 188.2900 188.1580 354.1240 354.6580
J2-J6 167.8270 167.8850 329.4810 329.5730
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 60960.26915059
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 48.046
HIERARCH ESO ISS PBL12 END 48.129
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.8
HIERARCH ESO ISS PBL13 START 95.139
HIERARCH ESO ISS PBL13 END 96.736
HIERARCH ESO ISS PBLA13 START 87.3
HIERARCH ESO ISS PBLA13 END 87.5
HIERARCH ESO ISS PBL14 START 149.37
HIERARCH ESO ISS PBL14 END 149.476
HIERARCH ESO ISS PBLA14 START 3.759
HIERARCH ESO ISS PBLA14 END 4.452
HIERARCH ESO ISS PBL23 START 78.592
HIERARCH ESO ISS PBL23 END 79.823
HIERARCH ESO ISS PBLA23 START 57.1
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 188.29
HIERARCH ESO ISS PBL24 END 188.158
HIERARCH ESO ISS PBLA24 START 354.124
HIERARCH ESO ISS PBLA24 END 354.658
HIERARCH ESO ISS PBL34 START 167.827
HIERARCH ESO ISS PBL34 END 167.885
HIERARCH ESO ISS PBLA34 START 329.481
HIERARCH ESO ISS PBLA34 END 329.573
HIERARCH ESO ISS AMBI TAU0 START 0.012217
HIERARCH ESO ISS AMBI TAU0 END 0.011611
HIERARCH ESO ISS AMBI TEMP 12.25
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.81