Exposure
- ID
- GRAVI.2025-04-04T02:43:37.464_2
- Header ID
- GRAVI.2025-04-04T02:43:37.464
- Date updated
- 2025-04-04 02:51:02 UTC+0000
- Release date
- 2025-04-04 02:43:37 UTC+0000
- UTC Start
- 2025-04-04 02:43:37.464
- UTC End
- 2025-04-04 02:44:57.464
- MJD Start
- 60769.11362806
- MJD End
- 60769.11455398592
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0052805000000000005
- Ambient temperature (°C)
- 13.96
- Seeing (arcsec)
- 0.6699999999999999
Observation
- ID
- 65039
- 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 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 25.2570 | 25.2550 | 160.8000 | 161.0000 |
| A0-D0 | 27.7230 | 27.6360 | 90.2000 | 90.5000 |
| A0-C1 | 21.7320 | 21.7090 | 137.1720 | 137.4670 |
| B2-D0 | 30.6580 | 30.6090 | 39.3000 | 39.4000 |
| B2-C1 | 10.2140 | 10.1970 | 39.2390 | 39.3560 |
| D0-C1 | 20.4450 | 20.4120 | 219.3060 | 219.4230 |
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 | 60769.11362806 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd73900b |
| HIERARCH ESO INS SOBJ NAME | hd73900b |
| RA | 129.838017 |
| 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 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 95.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 25.257 |
| HIERARCH ESO ISS PBL12 END | 25.255 |
| HIERARCH ESO ISS PBLA12 START | 160.8 |
| HIERARCH ESO ISS PBLA12 END | 161.0 |
| HIERARCH ESO ISS PBL13 START | 27.723 |
| HIERARCH ESO ISS PBL13 END | 27.636 |
| HIERARCH ESO ISS PBLA13 START | 90.2 |
| HIERARCH ESO ISS PBLA13 END | 90.5 |
| HIERARCH ESO ISS PBL14 START | 21.732 |
| HIERARCH ESO ISS PBL14 END | 21.709 |
| HIERARCH ESO ISS PBLA14 START | 137.172 |
| HIERARCH ESO ISS PBLA14 END | 137.467 |
| HIERARCH ESO ISS PBL23 START | 30.658 |
| HIERARCH ESO ISS PBL23 END | 30.609 |
| HIERARCH ESO ISS PBLA23 START | 39.3 |
| HIERARCH ESO ISS PBLA23 END | 39.4 |
| HIERARCH ESO ISS PBL24 START | 10.214 |
| HIERARCH ESO ISS PBL24 END | 10.197 |
| HIERARCH ESO ISS PBLA24 START | 39.239 |
| HIERARCH ESO ISS PBLA24 END | 39.356 |
| HIERARCH ESO ISS PBL34 START | 20.445 |
| HIERARCH ESO ISS PBL34 END | 20.412 |
| HIERARCH ESO ISS PBLA34 START | 219.306 |
| HIERARCH ESO ISS PBLA34 END | 219.423 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005241 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00532 |
| HIERARCH ESO ISS AMBI TEMP | 13.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | hd73900a |
| HIERARCH ESO FT ROBJ ALPHA | 083922.108 |
| HIERARCH ESO FT ROBJ DELTA | -363624.012 |