Exposure
- ID
- GRAVI.2021-05-23T06:45:57.495_2
- Header ID
- GRAVI.2021-05-23T06:45:57.495
- Date updated
- 2021-05-23 07:00:23 UTC+0000
- Release date
- 2022-05-23 07:00:23 UTC+0000
- UTC Start
- 2021-05-23 06:45:57.495
- UTC End
- 2021-05-23 06:51:17.495
- MJD Start
- 59357.28191545
- MJD End
- 59357.2856191537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008717
- Ambient temperature (°C)
- 11.41
- Seeing (arcsec)
- 0.26
Observation
- ID
- 47451
- 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
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- 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 | 56.2380 | 56.1720 | 28.4000 | 28.9000 |
| U1-U3 | 101.8100 | 101.6590 | 34.7000 | 35.3000 |
| U1-U4 | 129.4110 | 129.1050 | 62.9490 | 63.5770 |
| U2-U3 | 46.3420 | 46.2580 | 42.5000 | 43.1000 |
| U2-U4 | 89.0360 | 88.8320 | 83.9620 | 84.6450 |
| U3-U4 | 62.3940 | 62.3200 | 113.4340 | 114.1600 |
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 | 59357.28191545 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416924 |
| DEC | -29.00736 |
| 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 | 56.238 |
| HIERARCH ESO ISS PBL12 END | 56.172 |
| HIERARCH ESO ISS PBLA12 START | 28.4 |
| HIERARCH ESO ISS PBLA12 END | 28.9 |
| HIERARCH ESO ISS PBL13 START | 101.81 |
| HIERARCH ESO ISS PBL13 END | 101.659 |
| HIERARCH ESO ISS PBLA13 START | 34.7 |
| HIERARCH ESO ISS PBLA13 END | 35.3 |
| HIERARCH ESO ISS PBL14 START | 129.411 |
| HIERARCH ESO ISS PBL14 END | 129.105 |
| HIERARCH ESO ISS PBLA14 START | 62.949 |
| HIERARCH ESO ISS PBLA14 END | 63.577 |
| HIERARCH ESO ISS PBL23 START | 46.342 |
| HIERARCH ESO ISS PBL23 END | 46.258 |
| HIERARCH ESO ISS PBLA23 START | 42.5 |
| HIERARCH ESO ISS PBLA23 END | 43.1 |
| HIERARCH ESO ISS PBL24 START | 89.036 |
| HIERARCH ESO ISS PBL24 END | 88.832 |
| HIERARCH ESO ISS PBLA24 START | 83.962 |
| HIERARCH ESO ISS PBLA24 END | 84.645 |
| HIERARCH ESO ISS PBL34 START | 62.394 |
| HIERARCH ESO ISS PBL34 END | 62.32 |
| HIERARCH ESO ISS PBLA34 START | 113.434 |
| HIERARCH ESO ISS PBLA34 END | 114.16 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009308 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008126 |
| HIERARCH ESO ISS AMBI TEMP | 11.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.26 |
| HIERARCH ESO ISS AMBI FWHM END | 0.26 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |