Exposure
ID
GRAVI.2025-01-04T02:31:20.677_1
Header ID
GRAVI.2025-01-04T02:31:20.677
Date updated
2025-01-04 02:40:35 UTC+0000
Release date
2025-01-04 02:31:20 UTC+0000
UTC Start
2025-01-04 02:31:20.677
UTC End
2025-01-04 02:34:00.677
MJD Start
60679.10510043
MJD End
60679.10695228186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0061465
Ambient temperature (°C)
12.85
Seeing (arcsec)
0.45999999999999996
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 47.5220 47.6020 142.0000 142.1000
A0-J2 102.7860 103.7530 82.1000 82.3000
A0-J6 159.1960 159.2810 6.3680 6.8160
B5-J2 89.0640 89.7570 54.6000 55.1000
B5-J6 196.0220 195.9880 356.6150 356.9780
J2-J6 166.8250 166.9460 329.7130 329.8260
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 60679.10510043
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 47.522
HIERARCH ESO ISS PBL12 END 47.602
HIERARCH ESO ISS PBLA12 START 142.0
HIERARCH ESO ISS PBLA12 END 142.1
HIERARCH ESO ISS PBL13 START 102.786
HIERARCH ESO ISS PBL13 END 103.753
HIERARCH ESO ISS PBLA13 START 82.1
HIERARCH ESO ISS PBLA13 END 82.3
HIERARCH ESO ISS PBL14 START 159.196
HIERARCH ESO ISS PBL14 END 159.281
HIERARCH ESO ISS PBLA14 START 6.368
HIERARCH ESO ISS PBLA14 END 6.816
HIERARCH ESO ISS PBL23 START 89.064
HIERARCH ESO ISS PBL23 END 89.757
HIERARCH ESO ISS PBLA23 START 54.6
HIERARCH ESO ISS PBLA23 END 55.1
HIERARCH ESO ISS PBL24 START 196.022
HIERARCH ESO ISS PBL24 END 195.988
HIERARCH ESO ISS PBLA24 START 356.615
HIERARCH ESO ISS PBLA24 END 356.978
HIERARCH ESO ISS PBL34 START 166.825
HIERARCH ESO ISS PBL34 END 166.946
HIERARCH ESO ISS PBLA34 START 329.713
HIERARCH ESO ISS PBLA34 END 329.826
HIERARCH ESO ISS AMBI TAU0 START 0.006327
HIERARCH ESO ISS AMBI TAU0 END 0.005966
HIERARCH ESO ISS AMBI TEMP 12.85
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.43