Exposure
- ID
- GRAVI.2022-05-20T10:15:36.422_2
- Header ID
- GRAVI.2022-05-20T10:15:36.422
- Date updated
- 2022-05-20 10:25:54 UTC+0000
- Release date
- 2023-05-20 10:25:54 UTC+0000
- UTC Start
- 2022-05-20 10:15:36.422
- UTC End
- 2022-05-20 10:15:56.422
- MJD Start
- 59719.42750488
- MJD End
- 59719.4277363615
- Exposure time (s)
- 20.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003995
- Ambient temperature (°C)
- 12.0
- Seeing (arcsec)
- 0.6
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 | 48.2900 | 48.2530 | 40.9000 | 40.9000 |
| U1-U3 | 83.6520 | 83.5690 | 46.9000 | 46.9000 |
| U1-U4 | 88.2970 | 88.1160 | 81.0350 | 81.0770 |
| U2-U3 | 35.9840 | 35.9370 | 55.0000 | 55.0000 |
| U2-U4 | 60.0680 | 59.9510 | 112.2370 | 112.3440 |
| U3-U4 | 50.6430 | 50.6070 | 148.9320 | 149.0600 |
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 | 59719.42750488 |
| 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 | 34.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 2 |
| HIERARCH ESO ISS PBL12 START | 48.29 |
| HIERARCH ESO ISS PBL12 END | 48.253 |
| HIERARCH ESO ISS PBLA12 START | 40.9 |
| HIERARCH ESO ISS PBLA12 END | 40.9 |
| HIERARCH ESO ISS PBL13 START | 83.652 |
| HIERARCH ESO ISS PBL13 END | 83.569 |
| HIERARCH ESO ISS PBLA13 START | 46.9 |
| HIERARCH ESO ISS PBLA13 END | 46.9 |
| HIERARCH ESO ISS PBL14 START | 88.297 |
| HIERARCH ESO ISS PBL14 END | 88.116 |
| HIERARCH ESO ISS PBLA14 START | 81.035 |
| HIERARCH ESO ISS PBLA14 END | 81.077 |
| HIERARCH ESO ISS PBL23 START | 35.984 |
| HIERARCH ESO ISS PBL23 END | 35.937 |
| HIERARCH ESO ISS PBLA23 START | 55.0 |
| HIERARCH ESO ISS PBLA23 END | 55.0 |
| HIERARCH ESO ISS PBL24 START | 60.068 |
| HIERARCH ESO ISS PBL24 END | 59.951 |
| HIERARCH ESO ISS PBLA24 START | 112.237 |
| HIERARCH ESO ISS PBLA24 END | 112.344 |
| HIERARCH ESO ISS PBL34 START | 50.643 |
| HIERARCH ESO ISS PBL34 END | 50.607 |
| HIERARCH ESO ISS PBLA34 START | 148.932 |
| HIERARCH ESO ISS PBLA34 END | 149.06 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00429 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0037 |
| HIERARCH ESO ISS AMBI TEMP | 12.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |