Exposure
- ID
- GRAVI.2022-05-23T03:25:15.191_2
- Header ID
- GRAVI.2022-05-23T03:25:15.191
- Date updated
- 2022-05-23 03:40:47 UTC+0000
- Release date
- 2023-05-23 03:40:47 UTC+0000
- UTC Start
- 2022-05-23 03:25:15.191
- UTC End
- 2022-05-23 03:30:35.191
- MJD Start
- 59722.14253693
- MJD End
- 59722.1462406337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0058555
- Ambient temperature (°C)
- 11.34
- Seeing (arcsec)
- 0.53
Observation
- ID
- 50947
- Category
- science
- Program ID
- 109.22ZA.002
- 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
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
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 | 56.2360 | 56.2430 | 2.5000 | 3.4000 |
| U1-U3 | 100.8260 | 100.8800 | 7.5000 | 8.4000 |
| U1-U4 | 116.4060 | 117.0780 | 31.5350 | 32.7570 |
| U2-U3 | 45.0600 | 45.1240 | 13.7000 | 14.7000 |
| U2-U4 | 72.5350 | 73.4540 | 53.6100 | 54.8270 |
| U3-U4 | 47.7620 | 48.6340 | 90.9090 | 91.5840 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59722.14253693 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416757 |
| DEC | -29.00715 |
| 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 | 56.236 |
| HIERARCH ESO ISS PBL12 END | 56.243 |
| HIERARCH ESO ISS PBLA12 START | 2.5 |
| HIERARCH ESO ISS PBLA12 END | 3.4 |
| HIERARCH ESO ISS PBL13 START | 100.826 |
| HIERARCH ESO ISS PBL13 END | 100.88 |
| HIERARCH ESO ISS PBLA13 START | 7.5 |
| HIERARCH ESO ISS PBLA13 END | 8.4 |
| HIERARCH ESO ISS PBL14 START | 116.406 |
| HIERARCH ESO ISS PBL14 END | 117.078 |
| HIERARCH ESO ISS PBLA14 START | 31.535 |
| HIERARCH ESO ISS PBLA14 END | 32.757 |
| HIERARCH ESO ISS PBL23 START | 45.06 |
| HIERARCH ESO ISS PBL23 END | 45.124 |
| HIERARCH ESO ISS PBLA23 START | 13.7 |
| HIERARCH ESO ISS PBLA23 END | 14.7 |
| HIERARCH ESO ISS PBL24 START | 72.535 |
| HIERARCH ESO ISS PBL24 END | 73.454 |
| HIERARCH ESO ISS PBLA24 START | 53.61 |
| HIERARCH ESO ISS PBLA24 END | 54.827 |
| HIERARCH ESO ISS PBL34 START | 47.762 |
| HIERARCH ESO ISS PBL34 END | 48.634 |
| HIERARCH ESO ISS PBLA34 START | 90.909 |
| HIERARCH ESO ISS PBLA34 END | 91.584 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006151 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00556 |
| HIERARCH ESO ISS AMBI TEMP | 11.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |