Exposure
- ID
- GRAVI.2024-05-30T08:19:27.398_2
- Header ID
- GRAVI.2024-05-30T08:19:27.398
- Date updated
- 2024-05-30 08:35:26 UTC+0000
- Release date
- 2025-05-30 08:35:26 UTC+0000
- UTC Start
- 2024-05-30 08:19:27.398
- UTC End
- 2024-05-30 08:25:27.398
- MJD Start
- 60460.34684489
- MJD End
- 60460.3510115567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007681
- Ambient temperature (°C)
- 15.8
- Seeing (arcsec)
- 0.265
Observation
- ID
- 59446
- Category
- science
- Program ID
- 113.268P.002
- 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
- 44071
- Name
- IRS16NW
- RA
- 266.416845833333
- DEC
- -29.0075221944444
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 | 52.8400 | 52.5270 | 38.0000 | 38.3000 |
| U1-U3 | 93.9540 | 93.2370 | 44.2000 | 44.6000 |
| U1-U4 | 111.3080 | 109.6690 | 74.7040 | 75.2590 |
| U2-U3 | 41.8270 | 41.4160 | 52.2000 | 52.5000 |
| U2-U4 | 75.8380 | 74.6650 | 99.3140 | 100.2510 |
| U3-U4 | 56.4510 | 55.9590 | 132.2160 | 133.4640 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60460.34684489 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416893 |
| DEC | -29.00732 |
| 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 | 52.84 |
| HIERARCH ESO ISS PBL12 END | 52.527 |
| HIERARCH ESO ISS PBLA12 START | 38.0 |
| HIERARCH ESO ISS PBLA12 END | 38.3 |
| HIERARCH ESO ISS PBL13 START | 93.954 |
| HIERARCH ESO ISS PBL13 END | 93.237 |
| HIERARCH ESO ISS PBLA13 START | 44.2 |
| HIERARCH ESO ISS PBLA13 END | 44.6 |
| HIERARCH ESO ISS PBL14 START | 111.308 |
| HIERARCH ESO ISS PBL14 END | 109.669 |
| HIERARCH ESO ISS PBLA14 START | 74.704 |
| HIERARCH ESO ISS PBLA14 END | 75.259 |
| HIERARCH ESO ISS PBL23 START | 41.827 |
| HIERARCH ESO ISS PBL23 END | 41.416 |
| HIERARCH ESO ISS PBLA23 START | 52.2 |
| HIERARCH ESO ISS PBLA23 END | 52.5 |
| HIERARCH ESO ISS PBL24 START | 75.838 |
| HIERARCH ESO ISS PBL24 END | 74.665 |
| HIERARCH ESO ISS PBLA24 START | 99.314 |
| HIERARCH ESO ISS PBLA24 END | 100.251 |
| HIERARCH ESO ISS PBL34 START | 56.451 |
| HIERARCH ESO ISS PBL34 END | 55.959 |
| HIERARCH ESO ISS PBLA34 START | 132.216 |
| HIERARCH ESO ISS PBLA34 END | 133.464 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008236 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007126 |
| HIERARCH ESO ISS AMBI TEMP | 15.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.25 |
| HIERARCH ESO ISS AMBI FWHM END | 0.28 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |