Exposure
- ID
- GRAVI.2025-09-22T02:55:24.042_2
- Header ID
- GRAVI.2025-09-22T02:55:24.042
- Date updated
- 2025-09-22 03:11:00 UTC+0000
- Release date
- 2025-09-22 02:55:24 UTC+0000
- UTC Start
- 2025-09-22 02:55:24.042
- UTC End
- 2025-09-22 02:59:24.042
- MJD Start
- 60940.12180604
- MJD End
- 60940.12458381778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006195
- Ambient temperature (°C)
- 11.62
- Seeing (arcsec)
- 0.48
Observation
- ID
- 70488
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52269
- Name
- hd196885a
- RA
- 309.96614583333326
- DEC
- 11.249638888888889
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 | 72.0190 | 71.0760 | 111.0000 | 111.1000 |
| A0-J2 | 116.5700 | 115.5350 | 87.4000 | 87.2000 |
| A0-K0 | 125.2890 | 124.8260 | 69.5360 | 69.2460 |
| G1-J2 | 58.2210 | 58.1990 | 57.7000 | 57.5000 |
| G1-K0 | 85.8100 | 86.1110 | 35.7600 | 35.8290 |
| J2-K0 | 38.5430 | 38.5590 | 1.3770 | 1.9720 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60940.12180604 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd196885b |
| HIERARCH ESO INS SOBJ NAME | hd196885b |
| RA | 309.964329 |
| DEC | 11.25021 |
| 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 | 72.019 |
| HIERARCH ESO ISS PBL12 END | 71.076 |
| HIERARCH ESO ISS PBLA12 START | 111.0 |
| HIERARCH ESO ISS PBLA12 END | 111.1 |
| HIERARCH ESO ISS PBL13 START | 116.57 |
| HIERARCH ESO ISS PBL13 END | 115.535 |
| HIERARCH ESO ISS PBLA13 START | 87.4 |
| HIERARCH ESO ISS PBLA13 END | 87.2 |
| HIERARCH ESO ISS PBL14 START | 125.289 |
| HIERARCH ESO ISS PBL14 END | 124.826 |
| HIERARCH ESO ISS PBLA14 START | 69.536 |
| HIERARCH ESO ISS PBLA14 END | 69.246 |
| HIERARCH ESO ISS PBL23 START | 58.221 |
| HIERARCH ESO ISS PBL23 END | 58.199 |
| HIERARCH ESO ISS PBLA23 START | 57.7 |
| HIERARCH ESO ISS PBLA23 END | 57.5 |
| HIERARCH ESO ISS PBL24 START | 85.81 |
| HIERARCH ESO ISS PBL24 END | 86.111 |
| HIERARCH ESO ISS PBLA24 START | 35.76 |
| HIERARCH ESO ISS PBLA24 END | 35.829 |
| HIERARCH ESO ISS PBL34 START | 38.543 |
| HIERARCH ESO ISS PBL34 END | 38.559 |
| HIERARCH ESO ISS PBLA34 START | 1.377 |
| HIERARCH ESO ISS PBLA34 END | 1.972 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006195 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006195 |
| HIERARCH ESO ISS AMBI TEMP | 11.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | hd196885a |
| HIERARCH ESO FT ROBJ ALPHA | 203951.875 |
| HIERARCH ESO FT ROBJ DELTA | 111458.700 |