Exposure
- ID
- GRAVI.2021-05-31T07:36:11.207_2
- Header ID
- GRAVI.2021-05-31T07:36:11.207
- Date updated
- 2021-05-31 07:55:31 UTC+0000
- Release date
- 2022-05-31 07:55:31 UTC+0000
- UTC Start
- 2021-05-31 07:36:11.207
- UTC End
- 2021-05-31 07:41:31.207
- MJD Start
- 59365.31679638
- MJD End
- 59365.3205000837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003095
- Ambient temperature (°C)
- 10.13
- Seeing (arcsec)
- 1.185
Observation
- ID
- 47463
- Category
- science
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 54.4720 | 54.2730 | 35.4000 | 35.8000 |
| U1-U3 | 97.7170 | 97.2560 | 41.8000 | 42.2000 |
| U1-U4 | 120.0100 | 118.9350 | 71.1240 | 71.6480 |
| U2-U3 | 43.9890 | 43.7230 | 49.6000 | 50.0000 |
| U2-U4 | 82.1700 | 81.3780 | 93.8800 | 94.6180 |
| U3-U4 | 59.2530 | 58.8910 | 125.0940 | 126.0420 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59365.31679638 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00714 |
| 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 | 54.472 |
| HIERARCH ESO ISS PBL12 END | 54.273 |
| HIERARCH ESO ISS PBLA12 START | 35.4 |
| HIERARCH ESO ISS PBLA12 END | 35.8 |
| HIERARCH ESO ISS PBL13 START | 97.717 |
| HIERARCH ESO ISS PBL13 END | 97.256 |
| HIERARCH ESO ISS PBLA13 START | 41.8 |
| HIERARCH ESO ISS PBLA13 END | 42.2 |
| HIERARCH ESO ISS PBL14 START | 120.01 |
| HIERARCH ESO ISS PBL14 END | 118.935 |
| HIERARCH ESO ISS PBLA14 START | 71.124 |
| HIERARCH ESO ISS PBLA14 END | 71.648 |
| HIERARCH ESO ISS PBL23 START | 43.989 |
| HIERARCH ESO ISS PBL23 END | 43.723 |
| HIERARCH ESO ISS PBLA23 START | 49.6 |
| HIERARCH ESO ISS PBLA23 END | 50.0 |
| HIERARCH ESO ISS PBL24 START | 82.17 |
| HIERARCH ESO ISS PBL24 END | 81.378 |
| HIERARCH ESO ISS PBLA24 START | 93.88 |
| HIERARCH ESO ISS PBLA24 END | 94.618 |
| HIERARCH ESO ISS PBL34 START | 59.253 |
| HIERARCH ESO ISS PBL34 END | 58.891 |
| HIERARCH ESO ISS PBLA34 START | 125.094 |
| HIERARCH ESO ISS PBLA34 END | 126.042 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002799 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003391 |
| HIERARCH ESO ISS AMBI TEMP | 10.13 |
| HIERARCH ESO ISS AMBI FWHM START | 1.3 |
| HIERARCH ESO ISS AMBI FWHM END | 1.07 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |