Exposure
- ID
- GRAVI.2025-04-24T00:39:00.853_2
- Header ID
- GRAVI.2025-04-24T00:39:00.853
- Date updated
- 2025-04-24 00:45:41 UTC+0000
- Release date
- 2025-04-24 00:39:00 UTC+0000
- UTC Start
- 2025-04-24 00:39:00.853
- UTC End
- 2025-04-24 00:40:20.853
- MJD Start
- 60789.02709321
- MJD End
- 60789.02801913593
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007844
- Ambient temperature (°C)
- 11.96
- Seeing (arcsec)
- 0.645
Observation
- ID
- 66947
- Category
- calibrator
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 48427
- Name
- hd73900a
- RA
- 129.84211666666664
- DEC
- -36.60667
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 89.2970 | 89.2340 | 128.8000 | 129.1000 |
| A0-J2 | 123.9500 | 123.7580 | 106.1000 | 106.4000 |
| A0-K0 | 119.6720 | 119.4250 | 83.5830 | 83.7990 |
| G1-J2 | 53.9840 | 53.8740 | 66.5000 | 66.7000 |
| G1-K0 | 85.1500 | 85.0520 | 35.4370 | 35.5750 |
| J2-K0 | 47.8500 | 47.8500 | 359.8370 | 0.0090 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9801(U) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60789.02709321 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd73900b |
| HIERARCH ESO INS SOBJ NAME | hd73900b |
| RA | 129.838015 |
| DEC | -36.60644 |
| 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 | 95.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 89.297 |
| HIERARCH ESO ISS PBL12 END | 89.234 |
| HIERARCH ESO ISS PBLA12 START | 128.8 |
| HIERARCH ESO ISS PBLA12 END | 129.1 |
| HIERARCH ESO ISS PBL13 START | 123.95 |
| HIERARCH ESO ISS PBL13 END | 123.758 |
| HIERARCH ESO ISS PBLA13 START | 106.1 |
| HIERARCH ESO ISS PBLA13 END | 106.4 |
| HIERARCH ESO ISS PBL14 START | 119.672 |
| HIERARCH ESO ISS PBL14 END | 119.425 |
| HIERARCH ESO ISS PBLA14 START | 83.583 |
| HIERARCH ESO ISS PBLA14 END | 83.799 |
| HIERARCH ESO ISS PBL23 START | 53.984 |
| HIERARCH ESO ISS PBL23 END | 53.874 |
| HIERARCH ESO ISS PBLA23 START | 66.5 |
| HIERARCH ESO ISS PBLA23 END | 66.7 |
| HIERARCH ESO ISS PBL24 START | 85.15 |
| HIERARCH ESO ISS PBL24 END | 85.052 |
| HIERARCH ESO ISS PBLA24 START | 35.437 |
| HIERARCH ESO ISS PBLA24 END | 35.575 |
| HIERARCH ESO ISS PBL34 START | 47.85 |
| HIERARCH ESO ISS PBL34 END | 47.85 |
| HIERARCH ESO ISS PBLA34 START | 359.837 |
| HIERARCH ESO ISS PBLA34 END | 0.009 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007657 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008031 |
| HIERARCH ESO ISS AMBI TEMP | 11.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | hd73900a |
| HIERARCH ESO FT ROBJ ALPHA | 083922.108 |
| HIERARCH ESO FT ROBJ DELTA | -363624.012 |