Exposure
- ID
- GRAVI.2021-05-31T06:21:47.019_2
- Header ID
- GRAVI.2021-05-31T06:21:47.019
- Date updated
- 2021-05-31 06:35:36 UTC+0000
- Release date
- 2022-05-31 06:35:36 UTC+0000
- UTC Start
- 2021-05-31 06:21:47.019
- UTC End
- 2021-05-31 06:27:07.019
- MJD Start
- 59365.26512754
- MJD End
- 59365.2688312437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0025005
- Ambient temperature (°C)
- 10.14
- Seeing (arcsec)
- 1.16
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 | 56.1530 | 56.0770 | 29.1000 | 29.6000 |
| U1-U3 | 101.6160 | 101.4430 | 35.5000 | 36.0000 |
| U1-U4 | 129.0150 | 128.6420 | 63.7390 | 64.3560 |
| U2-U3 | 46.2340 | 46.1360 | 43.2000 | 43.8000 |
| U2-U4 | 88.7710 | 88.5130 | 84.8240 | 85.5070 |
| U3-U4 | 62.2960 | 62.1900 | 114.3520 | 115.0940 |
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 | 59365.26512754 |
| 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 | 56.153 |
| HIERARCH ESO ISS PBL12 END | 56.077 |
| HIERARCH ESO ISS PBLA12 START | 29.1 |
| HIERARCH ESO ISS PBLA12 END | 29.6 |
| HIERARCH ESO ISS PBL13 START | 101.616 |
| HIERARCH ESO ISS PBL13 END | 101.443 |
| HIERARCH ESO ISS PBLA13 START | 35.5 |
| HIERARCH ESO ISS PBLA13 END | 36.0 |
| HIERARCH ESO ISS PBL14 START | 129.015 |
| HIERARCH ESO ISS PBL14 END | 128.642 |
| HIERARCH ESO ISS PBLA14 START | 63.739 |
| HIERARCH ESO ISS PBLA14 END | 64.356 |
| HIERARCH ESO ISS PBL23 START | 46.234 |
| HIERARCH ESO ISS PBL23 END | 46.136 |
| HIERARCH ESO ISS PBLA23 START | 43.2 |
| HIERARCH ESO ISS PBLA23 END | 43.8 |
| HIERARCH ESO ISS PBL24 START | 88.771 |
| HIERARCH ESO ISS PBL24 END | 88.513 |
| HIERARCH ESO ISS PBLA24 START | 84.824 |
| HIERARCH ESO ISS PBLA24 END | 85.507 |
| HIERARCH ESO ISS PBL34 START | 62.296 |
| HIERARCH ESO ISS PBL34 END | 62.19 |
| HIERARCH ESO ISS PBLA34 START | 114.352 |
| HIERARCH ESO ISS PBLA34 END | 115.094 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001909 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003092 |
| HIERARCH ESO ISS AMBI TEMP | 10.14 |
| HIERARCH ESO ISS AMBI FWHM START | 1.24 |
| HIERARCH ESO ISS AMBI FWHM END | 1.08 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |