Exposure
- ID
- GRAVI.2021-05-31T05:16:13.855_2
- Header ID
- GRAVI.2021-05-31T05:16:13.855
- Date updated
- 2021-05-31 05:35:54 UTC+0000
- Release date
- 2022-05-31 05:35:54 UTC+0000
- UTC Start
- 2021-05-31 05:16:13.855
- UTC End
- 2021-05-31 05:21:33.855
- MJD Start
- 59365.2196048
- MJD End
- 59365.2233085037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00402
- Ambient temperature (°C)
- 10.21
- Seeing (arcsec)
- 0.735
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 | 56.5560 | 56.5480 | 21.9000 | 22.6000 |
| U1-U3 | 102.4320 | 102.4330 | 28.2000 | 28.9000 |
| U1-U4 | 129.7800 | 129.9510 | 55.9290 | 56.6720 |
| U2-U3 | 46.6230 | 46.6360 | 35.8000 | 36.5000 |
| U2-U4 | 88.7220 | 88.9400 | 76.8110 | 77.5370 |
| U3-U4 | 61.6760 | 61.8700 | 106.5600 | 107.1990 |
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 | 59365.2196048 |
| 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 | 56.556 |
| HIERARCH ESO ISS PBL12 END | 56.548 |
| HIERARCH ESO ISS PBLA12 START | 21.9 |
| HIERARCH ESO ISS PBLA12 END | 22.6 |
| HIERARCH ESO ISS PBL13 START | 102.432 |
| HIERARCH ESO ISS PBL13 END | 102.433 |
| HIERARCH ESO ISS PBLA13 START | 28.2 |
| HIERARCH ESO ISS PBLA13 END | 28.9 |
| HIERARCH ESO ISS PBL14 START | 129.78 |
| HIERARCH ESO ISS PBL14 END | 129.951 |
| HIERARCH ESO ISS PBLA14 START | 55.929 |
| HIERARCH ESO ISS PBLA14 END | 56.672 |
| HIERARCH ESO ISS PBL23 START | 46.623 |
| HIERARCH ESO ISS PBL23 END | 46.636 |
| HIERARCH ESO ISS PBLA23 START | 35.8 |
| HIERARCH ESO ISS PBLA23 END | 36.5 |
| HIERARCH ESO ISS PBL24 START | 88.722 |
| HIERARCH ESO ISS PBL24 END | 88.94 |
| HIERARCH ESO ISS PBLA24 START | 76.811 |
| HIERARCH ESO ISS PBLA24 END | 77.537 |
| HIERARCH ESO ISS PBL34 START | 61.676 |
| HIERARCH ESO ISS PBL34 END | 61.87 |
| HIERARCH ESO ISS PBLA34 START | 106.56 |
| HIERARCH ESO ISS PBLA34 END | 107.199 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00404 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004 |
| HIERARCH ESO ISS AMBI TEMP | 10.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |