Exposure
- ID
- GRAVI.2022-04-26T05:12:49.666_2
- Header ID
- GRAVI.2022-04-26T05:12:49.666
- Date updated
- 2022-04-26 05:30:50 UTC+0000
- Release date
- 2022-04-26 05:12:49 UTC+0000
- UTC Start
- 2022-04-26 05:12:49.666
- UTC End
- 2022-04-26 05:18:09.666
- MJD Start
- 59695.21724151
- MJD End
- 59695.2209452137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003134
- Ambient temperature (°C)
- 11.64
- Seeing (arcsec)
- 1.21
Observation
- ID
- 50590
- Category
- calibrator
- Program ID
- 109.22ZA.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37345
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076475
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2380 | 56.2450 | 2.8000 | 3.6000 |
| U1-U3 | 100.8390 | 100.8940 | 7.7000 | 8.6000 |
| U1-U4 | 116.5720 | 117.2430 | 31.8420 | 33.0520 |
| U2-U3 | 45.0750 | 45.1400 | 13.9000 | 14.9000 |
| U2-U4 | 72.7650 | 73.6760 | 53.9160 | 55.1180 |
| U3-U4 | 47.9820 | 48.8420 | 91.0790 | 91.7470 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59695.21724151 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16NW |
| RA | 266.416815 |
| DEC | -29.00698 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.238 |
| HIERARCH ESO ISS PBL12 END | 56.245 |
| HIERARCH ESO ISS PBLA12 START | 2.8 |
| HIERARCH ESO ISS PBLA12 END | 3.6 |
| HIERARCH ESO ISS PBL13 START | 100.839 |
| HIERARCH ESO ISS PBL13 END | 100.894 |
| HIERARCH ESO ISS PBLA13 START | 7.7 |
| HIERARCH ESO ISS PBLA13 END | 8.6 |
| HIERARCH ESO ISS PBL14 START | 116.572 |
| HIERARCH ESO ISS PBL14 END | 117.243 |
| HIERARCH ESO ISS PBLA14 START | 31.842 |
| HIERARCH ESO ISS PBLA14 END | 33.052 |
| HIERARCH ESO ISS PBL23 START | 45.075 |
| HIERARCH ESO ISS PBL23 END | 45.14 |
| HIERARCH ESO ISS PBLA23 START | 13.9 |
| HIERARCH ESO ISS PBLA23 END | 14.9 |
| HIERARCH ESO ISS PBL24 START | 72.765 |
| HIERARCH ESO ISS PBL24 END | 73.676 |
| HIERARCH ESO ISS PBLA24 START | 53.916 |
| HIERARCH ESO ISS PBLA24 END | 55.118 |
| HIERARCH ESO ISS PBL34 START | 47.982 |
| HIERARCH ESO ISS PBL34 END | 48.842 |
| HIERARCH ESO ISS PBLA34 START | 91.079 |
| HIERARCH ESO ISS PBLA34 END | 91.747 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003134 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003134 |
| HIERARCH ESO ISS AMBI TEMP | 11.64 |
| HIERARCH ESO ISS AMBI FWHM START | 1.21 |
| HIERARCH ESO ISS AMBI FWHM END | 1.21 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.107 |
| HIERARCH ESO FT ROBJ DELTA | -290027.531 |