Exposure
- ID
- GRAVI.2022-05-20T06:15:32.817_2
- Header ID
- GRAVI.2022-05-20T06:15:32.817
- Date updated
- 2022-05-20 06:30:47 UTC+0000
- Release date
- 2023-05-20 06:30:47 UTC+0000
- UTC Start
- 2022-05-20 06:15:32.817
- UTC End
- 2022-05-20 06:20:52.817
- MJD Start
- 59719.26079649
- MJD End
- 59719.2645001937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0092265
- Ambient temperature (°C)
- 12.88
- Seeing (arcsec)
- 0.43
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 | 56.5270 | 56.5080 | 23.7000 | 24.3000 |
| U1-U3 | 102.4100 | 102.3790 | 30.0000 | 30.7000 |
| U1-U4 | 130.1390 | 130.1960 | 57.8580 | 58.5660 |
| U2-U3 | 46.6400 | 46.6310 | 37.6000 | 38.3000 |
| U2-U4 | 89.2120 | 89.3250 | 78.7060 | 79.4120 |
| U3-U4 | 62.1280 | 62.2500 | 108.2550 | 108.9100 |
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 | 59719.26079649 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| 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 | 56.527 |
| HIERARCH ESO ISS PBL12 END | 56.508 |
| HIERARCH ESO ISS PBLA12 START | 23.7 |
| HIERARCH ESO ISS PBLA12 END | 24.3 |
| HIERARCH ESO ISS PBL13 START | 102.41 |
| HIERARCH ESO ISS PBL13 END | 102.379 |
| HIERARCH ESO ISS PBLA13 START | 30.0 |
| HIERARCH ESO ISS PBLA13 END | 30.7 |
| HIERARCH ESO ISS PBL14 START | 130.139 |
| HIERARCH ESO ISS PBL14 END | 130.196 |
| HIERARCH ESO ISS PBLA14 START | 57.858 |
| HIERARCH ESO ISS PBLA14 END | 58.566 |
| HIERARCH ESO ISS PBL23 START | 46.64 |
| HIERARCH ESO ISS PBL23 END | 46.631 |
| HIERARCH ESO ISS PBLA23 START | 37.6 |
| HIERARCH ESO ISS PBLA23 END | 38.3 |
| HIERARCH ESO ISS PBL24 START | 89.212 |
| HIERARCH ESO ISS PBL24 END | 89.325 |
| HIERARCH ESO ISS PBLA24 START | 78.706 |
| HIERARCH ESO ISS PBLA24 END | 79.412 |
| HIERARCH ESO ISS PBL34 START | 62.128 |
| HIERARCH ESO ISS PBL34 END | 62.25 |
| HIERARCH ESO ISS PBLA34 START | 108.255 |
| HIERARCH ESO ISS PBLA34 END | 108.91 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009147 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009306 |
| HIERARCH ESO ISS AMBI TEMP | 12.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |