Exposure
- ID
- GRAVI.2024-04-29T09:01:35.900_2
- Header ID
- GRAVI.2024-04-29T09:01:35.900
- Date updated
- 2024-04-29 09:15:30 UTC+0000
- Release date
- 2025-04-29 09:15:30 UTC+0000
- UTC Start
- 2024-04-29 09:01:35.900
- UTC End
- 2024-04-29 09:07:35.900
- MJD Start
- 60429.37610995
- MJD End
- 60429.3802766167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0046765
- Ambient temperature (°C)
- 15.54
- Seeing (arcsec)
- 0.51
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 55.5600 | 55.4140 | 32.3000 | 32.9000 |
| U1-U3 | 100.2470 | 99.9070 | 38.7000 | 39.2000 |
| U1-U4 | 125.9280 | 125.1370 | 67.3620 | 68.0000 |
| U2-U3 | 45.4510 | 45.2540 | 46.5000 | 47.0000 |
| U2-U4 | 86.5440 | 85.9600 | 88.9980 | 89.7800 |
| U3-U4 | 61.2960 | 61.0220 | 119.0710 | 120.0020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60429.37610995 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416867 |
| DEC | -29.00737 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 55.56 |
| HIERARCH ESO ISS PBL12 END | 55.414 |
| HIERARCH ESO ISS PBLA12 START | 32.3 |
| HIERARCH ESO ISS PBLA12 END | 32.9 |
| HIERARCH ESO ISS PBL13 START | 100.247 |
| HIERARCH ESO ISS PBL13 END | 99.907 |
| HIERARCH ESO ISS PBLA13 START | 38.7 |
| HIERARCH ESO ISS PBLA13 END | 39.2 |
| HIERARCH ESO ISS PBL14 START | 125.928 |
| HIERARCH ESO ISS PBL14 END | 125.137 |
| HIERARCH ESO ISS PBLA14 START | 67.362 |
| HIERARCH ESO ISS PBLA14 END | 68.0 |
| HIERARCH ESO ISS PBL23 START | 45.451 |
| HIERARCH ESO ISS PBL23 END | 45.254 |
| HIERARCH ESO ISS PBLA23 START | 46.5 |
| HIERARCH ESO ISS PBLA23 END | 47.0 |
| HIERARCH ESO ISS PBL24 START | 86.544 |
| HIERARCH ESO ISS PBL24 END | 85.96 |
| HIERARCH ESO ISS PBLA24 START | 88.998 |
| HIERARCH ESO ISS PBLA24 END | 89.78 |
| HIERARCH ESO ISS PBL34 START | 61.296 |
| HIERARCH ESO ISS PBL34 END | 61.022 |
| HIERARCH ESO ISS PBLA34 START | 119.071 |
| HIERARCH ESO ISS PBLA34 END | 120.002 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004721 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004632 |
| HIERARCH ESO ISS AMBI TEMP | 15.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |