Exposure
ID
GRAVI.2024-11-20T07:15:47.925_1
Header ID
GRAVI.2024-11-20T07:15:47.925
Date updated
2024-11-20 07:30:38 UTC+0000
Release date
2025-11-20 07:30:38 UTC+0000
UTC Start
2024-11-20 07:15:47.925
UTC End
2024-11-20 07:19:47.925
MJD Start
60634.30263802
MJD End
60634.3054157978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0051705
Ambient temperature (°C)
12.21
Seeing (arcsec)
0.845
Observation
ID
61901
Category
science
Program ID
113.26EQ.006
Program Title
USING GRAVITY TO STUDY STAR-DISK INTERACTION
Program Type
Monitoring
PI / COI
GINSKI / BOURDAROT / PINILLA / BENISTY / MANARA / RIBAS / LACOUR / NOWAK / VIGAN / WANG / BALMER / MURPHY
Target
ID
46024
Name
GG_Tau
RA
68.12421
DEC
17.52781
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 64.8130 63.7400 106.0000 105.9000
A0-J2 111.5860 110.4380 82.5000 82.1000
A0-K0 123.9990 123.4760 66.3730 65.9480
G1-J2 58.1940 58.1590 56.1000 55.8000
G1-K0 84.8250 85.1530 37.2080 37.1820
J2-K0 35.2600 35.3130 4.8280 5.4580
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26EQ.006
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60634.30263802
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME GG Tau
HIERARCH ESO INS SOBJ NAME GG_Tau
RA 68.12421
DEC 17.52781
HIERARCH ESO INS SPEC RES MEDIUM
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 64.813
HIERARCH ESO ISS PBL12 END 63.74
HIERARCH ESO ISS PBLA12 START 106.0
HIERARCH ESO ISS PBLA12 END 105.9
HIERARCH ESO ISS PBL13 START 111.586
HIERARCH ESO ISS PBL13 END 110.438
HIERARCH ESO ISS PBLA13 START 82.5
HIERARCH ESO ISS PBLA13 END 82.1
HIERARCH ESO ISS PBL14 START 123.999
HIERARCH ESO ISS PBL14 END 123.476
HIERARCH ESO ISS PBLA14 START 66.373
HIERARCH ESO ISS PBLA14 END 65.948
HIERARCH ESO ISS PBL23 START 58.194
HIERARCH ESO ISS PBL23 END 58.159
HIERARCH ESO ISS PBLA23 START 56.1
HIERARCH ESO ISS PBLA23 END 55.8
HIERARCH ESO ISS PBL24 START 84.825
HIERARCH ESO ISS PBL24 END 85.153
HIERARCH ESO ISS PBLA24 START 37.208
HIERARCH ESO ISS PBLA24 END 37.182
HIERARCH ESO ISS PBL34 START 35.26
HIERARCH ESO ISS PBL34 END 35.313
HIERARCH ESO ISS PBLA34 START 4.828
HIERARCH ESO ISS PBLA34 END 5.458
HIERARCH ESO ISS AMBI TAU0 START 0.004817
HIERARCH ESO ISS AMBI TAU0 END 0.005524
HIERARCH ESO ISS AMBI TEMP 12.21
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.83