Exposure
- ID
- GRAVI.2022-05-20T07:51:39.059_2
- Header ID
- GRAVI.2022-05-20T07:51:39.059
- Date updated
- 2022-05-20 08:05:47 UTC+0000
- Release date
- 2023-05-20 08:05:47 UTC+0000
- UTC Start
- 2022-05-20 07:51:39.059
- UTC End
- 2022-05-20 07:56:59.059
- MJD Start
- 59719.3275354
- MJD End
- 59719.3312391037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008308
- Ambient temperature (°C)
- 12.38
- Seeing (arcsec)
- 0.335
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 | 55.3110 | 55.1650 | 33.2000 | 33.7000 |
| U1-U3 | 99.6680 | 99.3280 | 39.6000 | 40.0000 |
| U1-U4 | 124.5780 | 123.7820 | 68.4130 | 68.9630 |
| U2-U3 | 45.1160 | 44.9200 | 47.4000 | 47.9000 |
| U2-U4 | 85.5460 | 84.9570 | 90.2960 | 90.9930 |
| U3-U4 | 60.8280 | 60.5510 | 120.6240 | 121.4740 |
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 | 59719.3275354 |
| 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 | 55.311 |
| HIERARCH ESO ISS PBL12 END | 55.165 |
| HIERARCH ESO ISS PBLA12 START | 33.2 |
| HIERARCH ESO ISS PBLA12 END | 33.7 |
| HIERARCH ESO ISS PBL13 START | 99.668 |
| HIERARCH ESO ISS PBL13 END | 99.328 |
| HIERARCH ESO ISS PBLA13 START | 39.6 |
| HIERARCH ESO ISS PBLA13 END | 40.0 |
| HIERARCH ESO ISS PBL14 START | 124.578 |
| HIERARCH ESO ISS PBL14 END | 123.782 |
| HIERARCH ESO ISS PBLA14 START | 68.413 |
| HIERARCH ESO ISS PBLA14 END | 68.963 |
| HIERARCH ESO ISS PBL23 START | 45.116 |
| HIERARCH ESO ISS PBL23 END | 44.92 |
| HIERARCH ESO ISS PBLA23 START | 47.4 |
| HIERARCH ESO ISS PBLA23 END | 47.9 |
| HIERARCH ESO ISS PBL24 START | 85.546 |
| HIERARCH ESO ISS PBL24 END | 84.957 |
| HIERARCH ESO ISS PBLA24 START | 90.296 |
| HIERARCH ESO ISS PBLA24 END | 90.993 |
| HIERARCH ESO ISS PBL34 START | 60.828 |
| HIERARCH ESO ISS PBL34 END | 60.551 |
| HIERARCH ESO ISS PBLA34 START | 120.624 |
| HIERARCH ESO ISS PBLA34 END | 121.474 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008337 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008279 |
| HIERARCH ESO ISS AMBI TEMP | 12.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.32 |
| HIERARCH ESO ISS AMBI FWHM END | 0.35 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |