Exposure
ID
GRAVI.2025-01-04T02:17:53.643_1
Header ID
GRAVI.2025-01-04T02:17:53.643
Date updated
2025-01-04 02:25:45 UTC+0000
Release date
2025-01-04 02:17:53 UTC+0000
UTC Start
2025-01-04 02:17:53.643
UTC End
2025-01-04 02:20:33.643
MJD Start
60679.09575976
MJD End
60679.097611611855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0060225
Ambient temperature (°C)
12.75
Seeing (arcsec)
0.695
Observation
ID
63094
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKý / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
47004
Name
HD_57478
RA
110.241636
DEC
-14.36049
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 47.1260 47.2180 141.8000 141.9000
A0-J2 98.2100 99.2460 80.9000 81.1000
A0-J6 158.8820 158.9410 4.3190 4.7730
B5-J2 85.8670 86.5790 52.2000 52.7000
B5-J6 196.2220 196.1720 354.9810 355.3400
J2-J6 166.1880 166.3410 329.2460 329.3420
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60679.09575976
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 57478
HIERARCH ESO INS SOBJ NAME HD_57478
RA 110.241636
DEC -14.36049
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 47.126
HIERARCH ESO ISS PBL12 END 47.218
HIERARCH ESO ISS PBLA12 START 141.8
HIERARCH ESO ISS PBLA12 END 141.9
HIERARCH ESO ISS PBL13 START 98.21
HIERARCH ESO ISS PBL13 END 99.246
HIERARCH ESO ISS PBLA13 START 80.9
HIERARCH ESO ISS PBLA13 END 81.1
HIERARCH ESO ISS PBL14 START 158.882
HIERARCH ESO ISS PBL14 END 158.941
HIERARCH ESO ISS PBLA14 START 4.319
HIERARCH ESO ISS PBLA14 END 4.773
HIERARCH ESO ISS PBL23 START 85.867
HIERARCH ESO ISS PBL23 END 86.579
HIERARCH ESO ISS PBLA23 START 52.2
HIERARCH ESO ISS PBLA23 END 52.7
HIERARCH ESO ISS PBL24 START 196.222
HIERARCH ESO ISS PBL24 END 196.172
HIERARCH ESO ISS PBLA24 START 354.981
HIERARCH ESO ISS PBLA24 END 355.34
HIERARCH ESO ISS PBL34 START 166.188
HIERARCH ESO ISS PBL34 END 166.341
HIERARCH ESO ISS PBLA34 START 329.246
HIERARCH ESO ISS PBLA34 END 329.342
HIERARCH ESO ISS AMBI TAU0 START 0.007419
HIERARCH ESO ISS AMBI TAU0 END 0.004626
HIERARCH ESO ISS AMBI TEMP 12.75
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.7