Exposure
- ID
- GRAVI.2021-06-25T06:03:36.681_2
- Header ID
- GRAVI.2021-06-25T06:03:36.681
- Date updated
- 2021-06-25 06:20:25 UTC+0000
- Release date
- 2022-06-25 06:20:25 UTC+0000
- UTC Start
- 2021-06-25 06:03:36.681
- UTC End
- 2021-06-25 06:08:56.681
- MJD Start
- 59390.25250788
- MJD End
- 59390.2562115837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0064135
- Ambient temperature (°C)
- 10.15
- Seeing (arcsec)
- 0.565
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- 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 | 54.2740 | 54.0640 | 35.8000 | 36.2000 |
| U1-U3 | 97.2570 | 96.7730 | 42.2000 | 42.5000 |
| U1-U4 | 118.9350 | 117.8080 | 71.6480 | 72.1650 |
| U2-U3 | 43.7240 | 43.4450 | 50.0000 | 50.4000 |
| U2-U4 | 81.3790 | 80.5510 | 94.6180 | 95.3640 |
| U3-U4 | 58.8910 | 58.5160 | 126.0420 | 127.0090 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.25250788 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00706 |
| 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 | 54.274 |
| HIERARCH ESO ISS PBL12 END | 54.064 |
| HIERARCH ESO ISS PBLA12 START | 35.8 |
| HIERARCH ESO ISS PBLA12 END | 36.2 |
| HIERARCH ESO ISS PBL13 START | 97.257 |
| HIERARCH ESO ISS PBL13 END | 96.773 |
| HIERARCH ESO ISS PBLA13 START | 42.2 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 118.935 |
| HIERARCH ESO ISS PBL14 END | 117.808 |
| HIERARCH ESO ISS PBLA14 START | 71.648 |
| HIERARCH ESO ISS PBLA14 END | 72.165 |
| HIERARCH ESO ISS PBL23 START | 43.724 |
| HIERARCH ESO ISS PBL23 END | 43.445 |
| HIERARCH ESO ISS PBLA23 START | 50.0 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 81.379 |
| HIERARCH ESO ISS PBL24 END | 80.551 |
| HIERARCH ESO ISS PBLA24 START | 94.618 |
| HIERARCH ESO ISS PBLA24 END | 95.364 |
| HIERARCH ESO ISS PBL34 START | 58.891 |
| HIERARCH ESO ISS PBL34 END | 58.516 |
| HIERARCH ESO ISS PBLA34 START | 126.042 |
| HIERARCH ESO ISS PBLA34 END | 127.009 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006008 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006819 |
| HIERARCH ESO ISS AMBI TEMP | 10.15 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |