Exposure
- ID
- GRAVI.2022-05-20T06:28:56.850_2
- Header ID
- GRAVI.2022-05-20T06:28:56.850
- Date updated
- 2022-05-20 06:41:01 UTC+0000
- Release date
- 2023-05-20 06:41:00 UTC+0000
- UTC Start
- 2022-05-20 06:28:56.850
- UTC End
- 2022-05-20 06:34:16.850
- MJD Start
- 59719.27010243
- MJD End
- 59719.2738061337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009306
- Ambient temperature (°C)
- 12.9
- Seeing (arcsec)
- 0.49
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 | 56.4730 | 56.4420 | 25.2000 | 25.8000 |
| U1-U3 | 102.3160 | 102.2530 | 31.5000 | 32.2000 |
| U1-U4 | 130.2020 | 130.1530 | 59.5040 | 60.1840 |
| U2-U3 | 46.6060 | 46.5770 | 39.2000 | 39.9000 |
| U2-U4 | 89.4120 | 89.4290 | 80.3590 | 81.0530 |
| U3-U4 | 62.3720 | 62.4310 | 109.8070 | 110.4790 |
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 | 59719.27010243 |
| 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 | 56.473 |
| HIERARCH ESO ISS PBL12 END | 56.442 |
| HIERARCH ESO ISS PBLA12 START | 25.2 |
| HIERARCH ESO ISS PBLA12 END | 25.8 |
| HIERARCH ESO ISS PBL13 START | 102.316 |
| HIERARCH ESO ISS PBL13 END | 102.253 |
| HIERARCH ESO ISS PBLA13 START | 31.5 |
| HIERARCH ESO ISS PBLA13 END | 32.2 |
| HIERARCH ESO ISS PBL14 START | 130.202 |
| HIERARCH ESO ISS PBL14 END | 130.153 |
| HIERARCH ESO ISS PBLA14 START | 59.504 |
| HIERARCH ESO ISS PBLA14 END | 60.184 |
| HIERARCH ESO ISS PBL23 START | 46.606 |
| HIERARCH ESO ISS PBL23 END | 46.577 |
| HIERARCH ESO ISS PBLA23 START | 39.2 |
| HIERARCH ESO ISS PBLA23 END | 39.9 |
| HIERARCH ESO ISS PBL24 START | 89.412 |
| HIERARCH ESO ISS PBL24 END | 89.429 |
| HIERARCH ESO ISS PBLA24 START | 80.359 |
| HIERARCH ESO ISS PBLA24 END | 81.053 |
| HIERARCH ESO ISS PBL34 START | 62.372 |
| HIERARCH ESO ISS PBL34 END | 62.431 |
| HIERARCH ESO ISS PBLA34 START | 109.807 |
| HIERARCH ESO ISS PBLA34 END | 110.479 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009306 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009306 |
| HIERARCH ESO ISS AMBI TEMP | 12.9 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |